Logo
    Search

    Robotic Roller Derby, Orangutan Skincare Routines, That Good Pet Stink

    en-usJune 05, 2024

    Podcast Summary

    • Language Learning Alternatives, TherapyExplore language learning apps like Babbel for effective alternatives to traditional methods, and consider accessing therapy services through platforms like BetterHelp for emotional support.

      There are effective alternatives for those who cannot fully immerse themselves in learning a new language, such as using the science-backed language learning app Babbel. Babbel's speech recognition technology functions like having a fluent tutor on hand, and the app offers conversation-based learning with cognitive tools like spaced repetition. As a listener, you can get up to 60% off your Babbel subscription by visiting babbel.com/weirdest. Additionally, therapy can be an essential tool for managing emotions and dealing with various issues. BetterHelp offers an accessible platform for individuals to connect with a therapist and receive personalized support. The editors of Popular Science shared some intriguing facts during their latest episode, including the connection between huffing your cat and loved ones' armpits and the concept of a robot on a quest for food delivery in a city. Overall, these insights highlight the importance of various tools and technologies in enhancing our daily lives and understanding the world around us.

    • Cat scentsCats have unique scents due to specific compounds they secrete, and humans find these scents appealing due to our primal olfactory senses and potential evolutionary connection. Cat scents can also indicate health issues and are distinct among big cats.

      Cats have unique scents that can be attributed to specific compounds they secrete, and humans find these scents appealing due to our primal olfactory senses and potential evolutionary connection. The speaker's cat prefers dirty water, and the cat's scent is described as homey and not stinky but lived-in. The speaker's fascination with her cat's smell led her to research the science behind it, discovering that cats have glands that secrete specific compounds contributing to their unique scents. Humans, too, release pheromones, and our attraction to certain scents can be an evolutionary survival mechanism. The speaker also mentioned that a cat's smell can indicate health issues, such as diabetes or dental problems, and that big cats have distinct scents as well. Overall, the speaker's personal experience with her cat's unique scent led her to explore the science behind it, revealing interesting connections between cats, humans, and the power of smell.

    • Power of Smell in RelationshipsThe power of smell contributes to creating connections and memories through the release of oxytocin, even if the smell source is unusual like armpits or pets. Our brains often filter out unpleasant odors to focus on positive ones.

      The power of smell plays a significant role in our lives and relationships. Our brains often tune out unpleasant odors, allowing us to associate certain smells with positive memories and feelings. Some people even find the smell of their loved ones, including pets, to be appealing. This phenomenon, known as the "armpit effect," can trigger the release of oxytocin, creating a sense of intimacy and vulnerability. While some may find the idea of sniffing armpits strange, it's a culturally significant practice in some communities. Ultimately, our sense of smell is a powerful tool for creating connections and memories. Moreover, the speaker discussed her personal experiences with reducing her animal product consumption due to contemplating where their mouths have been, which is a common reason for choosing a vegan lifestyle. Additionally, she mentioned that dogs' paws smell like Fritos due to yeast overgrowth. Lastly, the speaker shared her fascination with the power of scent and its impact on memory, as well as her past essay about the subject for The Atlantic. She also mentioned that our brains often tune out unpleasant smells, allowing us to focus on the pleasant ones associated with positive memories.

    • Urban delivery robotsEuropean researchers created a robot that switches between walking and rolling on wheels to navigate urban environments, including stairs and obstacles, using a video game engine for a brain to learn and adapt

      Technology is continually evolving to solve specific problems, such as the challenge of last-mile delivery in urban areas. Researchers in Europe designed a robot that can switch between walking and rolling on wheels to navigate complex urban environments, including stairs and other obstacles. This robot, which looks like a cute animal, was inspired by the need to avoid traffic and navigate efficiently around dynamic obstacles. The team gave the robot a video game engine for a brain, allowing it to learn how to navigate various environments through procedurally generated challenges. The result is a robot that can adapt to different terrains and obstacles, making urban deliveries more efficient and environmentally friendly. This innovation highlights the potential of technology to address real-world challenges and improve our daily lives. To learn more about Angie's services for home projects or to download the free Angie mobile app, visit angie.com.

    • Robot navigation and food deliveryResearchers developed a robot for complex environments to deliver food, encountering both successes and challenges, focusing on a single task to make progress and avoid ethical dilemmas.

      The discussed research paper showcases the development of a robot designed specifically to navigate complex environments and deliver food, focusing on the challenges encountered during the process. The researchers used real-life scenarios with uneven terrain and obstacles, resulting in both successful traversals and instances where the robot needed human intervention. The project's simplicity and specific goal contrasted with the grandiose expectations often associated with AI and robotics. The researchers' focus on a single task made their work attainable and avoided ethical dilemmas. The study also inspired the speaker's novella about robots in the future, emphasizing the potential for creative problem-solving in robotics research. Additionally, the speaker discussed the increasing impact of climate change on seasonal allergies and the relief Claritin D provides for allergy sufferers.

    • Animal self-medicationAnimals like orangutans and chimpanzees have the ability to self-medicate using plants for injury treatment, showcasing their intelligence and problem-solving skills.

      Both humans and animals have the innate ability to self-medicate when they're in pain or discomfort. This was exemplified in a study of an orangutan named Raucous, who used the medicinal properties of a plant called akar kooning to treat a wound on his face. This is an unusual behavior for animals, as most instances of self-medication involve ingesting certain things accidentally. However, Raucous' deliberate application of the plant to his wound was the second recorded instance of an animal using topical treatments for injury treatment. The first instance was observed in chimpanzees, who were seen applying insects to their wounds and the wounds of their young. These behaviors show the remarkable intelligence and problem-solving abilities of these primates, and highlight the importance of understanding the medicinal properties of plants for both human and animal health. If you're interested in exploring your own emotional health and unpacking the emotions that "frost your flakes," consider trying therapy through BetterHelp, an online platform that connects you with a therapist who can help you work through difficult emotions.

    • Animal skin care routinesAnimals, like orangutans, engage in behaviors resembling human skin care, passing them on through generations, showcasing their intelligence and problem-solving abilities.

      Animals, including primates like orangutans, may engage in behaviors that appear to be similar to human skin care routines, such as applying goops or using plants for pain relief and wound healing, without fully understanding the mechanisms behind these actions. These behaviors may go unnoticed due to limited observation time in the wild, and animals may learn and pass on these behaviors through various means. It's a reminder that animals can recognize the benefits of certain actions, even if they don't understand the underlying mechanisms. These observations highlight the intelligence and problem-solving abilities of animals and the importance of continued research to better understand their behaviors and capabilities.

    • Animal intelligence and resourcefulnessAnimals use natural chemicals for healing and protection, demonstrating advanced behaviors and raising questions about their sentience and personhood

      Animals have shown remarkable intelligence and resourcefulness in utilizing natural chemicals for healing and protection. From apes applying ice-cold rings to their wounds, to capuchin monkeys covering themselves in millipede goo to repel mosquitoes, these examples demonstrate the sophistication of animal behavior. The philosophical question arises: at what point do we consider these animals as sentient beings, capable of complex thought and communication? The speaker ponders this, reflecting on the advanced behaviors observed in various primates and birds, and wonders how acknowledging their personhood might change our interactions with them. The speaker's new book, "Stories Are Weapons," explores psychological warfare and the American mind, while previous works include "Four Lost Cities," about ancient urban civilizations, and "The Terraformers," a science fiction novel about a world inhabited by opinionated nonhuman animals.

    • Allergy relief and home projectsThe changing climate leads to longer allergy seasons, but Claritin D offers fast and effective relief. Angie's List simplifies home projects and maintenance, making it easier to find skilled professionals.

      Our changing climate is leading to longer and more intense allergy seasons, making it harder for allergy sufferers to breathe easily. However, relief is available through Claritin D, a powerful allergy medication that provides fast and effective relief from nasal congestion, sneezing, and itchy noses. Additionally, Angie's List can help simplify home projects and maintenance, making it easier to find skilled professionals and get the job done right. During this week's podcast episode, the hosts discussed their own allergy struggles and how the changing climate is contributing to longer and more intense allergy seasons. They also shared how Claritin D, with its two powerful ingredients, can help allergy sufferers breathe more easily and focus on their daily activities. Finally, they highlighted Angie's List as a valuable resource for homeowners looking to tackle projects and repairs, making it easier to find and hire skilled professionals. So, if you're an allergy sufferer feeling the effects of the changing climate or a homeowner in need of a project completed, remember that help is available. Claritin D can provide fast and effective allergy relief, while Angie's List can simplify the process of finding and hiring skilled professionals for your home projects.

    Recent Episodes from The Weirdest Thing I Learned This Week

    Olympic Tug-o-War, Leaping Leeches, Card-Carrying Women

    Olympic Tug-o-War, Leaping Leeches, Card-Carrying Women
    Rose Eveleth joins the show to talk about chromosome testing in the Olympics. Plus, Claire returns to talk elite tug-o-war, and Rachel talks about the leech that can fly. Listen to Rose's new show, Tested: https://link.chtbl.com/js0J2gTx The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories!  Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman  Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Get 20% OFF @honeylove by going to https://honeylove.com/WEIRDEST! #honeylovepod Keep track of what’s important with Tile. Visit https://Tile.com today and use code WEIRDEST to get 15% off all Tiles.  Live it up this summer and make progress towards your financial goals with Chime. Open your account in minutes at https://www.chime.com/WEIRDEST Learn more about your ad choices. Visit podcastchoices.com/adchoices

    Pointy-Headed Vikings, Apocalypse Popularity, Perfect Prism Poops

    Pointy-Headed Vikings, Apocalypse Popularity, Perfect Prism Poops
    Dr. Jessica Ware from the American Museum of Natural History joins the show to talk about the most perfectly shaped poo. Plus, Laura talks about being popular in the apocalypse, and Rachel explains why some Vikings and other folks had especially pointy heads. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories!  Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman  Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Thanks to our Sponsors! Right now, get 60% off at https://Babbel.com/WEIRDEST This episode is sponsored by BetterHelp. Get 10% off your first month at https://BetterHelp.com/WEIRDEST Learn more about your ad choices. Visit podcastchoices.com/adchoices

    Reptilian Theater Kids, Gay Giraffes, Impatient Birds

    Reptilian Theater Kids, Gay Giraffes, Impatient Birds
    Owen Ever, co-host of the podcast A Field Guide to Gay Animals, joins the show this week to talk about the scientists who studied homosexuality in giraffes. Plus, Jess explains the most dramatic snakes on the planet, and Rachel gets into birds who wave quite impatiently. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories!  Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman  Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Thanks to our Sponsors! Get 20% OFF @honeylove by going to https://honeylove.com/WEIRDEST! #honeylovepod Right now, get 60% off at https://Babbel.com/WEIRDEST Get 15% off LolaVie with the code WEIRDEST at https://www.lolavie.com/WEIRDEST #lolaviepod Keep track of what’s important with Tile. Visit https://Tile.com today and use code WEIRDEST to get 15% off all Tiles This episode is sponsored by BetterHelp. Get 10% off your first month at https://BetterHelp.com/WEIRDEST Learn more about your ad choices. Visit podcastchoices.com/adchoices

    Robotic Roller Derby, Orangutan Skincare Routines, That Good Pet Stink

    Robotic Roller Derby, Orangutan Skincare Routines, That Good Pet Stink
    Annalee Newitz returns to the show to discuss the cutest little food delivery robots you've ever seen. Plus, Rachel talks self-medicating apes, and Amanda explains why we love our pets' stink and our lovers' smelly armpits. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories!  Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman  Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Thanks to our Sponsors! Right now, get 60% off at https://Babbel.com/WEIRDEST This episode is sponsored by BetterHelp. Get 10% off your first month at https://BetterHelp.com/WEIRDEST Ask for Claritin-D at your local pharmacy counter. You don’t even need a prescription! Go to https://Claritin.com right now for a discount so you can Live Claritin Clear Learn more about your ad choices. Visit podcastchoices.com/adchoices

    Hyrax Heaven, Underwater Bees, Carbonated Oceans

    Hyrax Heaven, Underwater Bees, Carbonated Oceans
    Streamer and science communicator Moohoodles joins the show this week to talk about carbonated oceans on Enceladus (and the moon's recipe for life)! Plus, Jess explains her obsession with the hyrax, and Rachel talks about bees who are somehow able to hibernate underwater. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories!  Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman  Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Thanks to our Sponsors! Get 20% OFF @honeylove by going to https://honeylove.com/WEIRDEST! #honeylovepod Ask for Claritin-D at your local pharmacy counter. You don’t even need a prescription! Go to https://Claritin.com right now for a discount so you can Live Claritin Clear. Listen to Wow in the World wherever you get your podcasts. Visit https://wondery.com/summerofwow to find new episodes and to download scavenger hunts for the whole family. Learn more about your ad choices. Visit podcastchoices.com/adchoices

    Screaming Frogs, "Talking" Mushrooms, Nonbinary Birds

    Screaming Frogs, "Talking" Mushrooms, Nonbinary Birds
    Sociolinguist Erica Brozovsky joins the show to discuss talkative fungi, Amanda Reed chats about nonbinary birds, and Rachel gets into animal sounds—especially the ones we can't hear. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories!  Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman  Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Thanks to our Sponsors! This episode is sponsored by BetterHelp. Get 10% off your first month at https://BetterHelp.com/WEIRDEST Right now, get 60% off at https://Babbel.com/WEIRDEST Get 20% OFF @honeylove by going to https://honeylove.com/WEIRDEST! #honeylovepod Learn more about your ad choices. Visit podcastchoices.com/adchoices

    Traveling Barber Uprising, Rats Taking Selfies, Honeyguide Helpers

    Traveling Barber Uprising, Rats Taking Selfies, Honeyguide Helpers
    Maritime archaeologist and historian Joel Cook joins the show to spin the tale of how traveling barbers almost coordinated an uprising that could have derailed the American Civil War. Plus, Rachel talks about a very delicious mutualism between humans and greater honeyguide birds, and Sara Kiley chimes in to talk about why rats might want to take selfies. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories!  Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman  Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Thanks to our Sponsors! Get 20% OFF @honeylove by going to https://honeylove.com/WEIRDEST! #honeylovepod Right now, get 60% off at https://Babbel.com/WEIRDEST Ask for Claritin-D at your local pharmacy counter. You don’t even need a prescription! Go to https://Claritin.com right now for a discount so you can Live Claritin Clear. Learn more about your ad choices. Visit podcastchoices.com/adchoices

    Lotion Spider Brouhaha, ADHD Superpowers, Earth's Evil Twin

    Lotion Spider Brouhaha, ADHD Superpowers, Earth's Evil Twin
    Scientist and Twitch streamer Knimbley joins the show today to talk about how astronomy and Elden Ring intertwine! Plus, Jess returns to talk about lotion spiders, and Rachel explains how ADHD used to offer a real survival benefit in the olden days. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories!  Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman  Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Thanks to our Sponsors! Right now, get 60% off at https://Babbel.com/WEIRDEST This episode is sponsored by BetterHelp. Get 10% off your first month at https://BetterHelp.com/WEIRDEST Ask for Claritin-D at your local pharmacy counter. You don’t even need a prescription! Go to https://Claritin.com right now for a discount so you can Live Claritin Clear. Learn more about your ad choices. Visit podcastchoices.com/adchoices

    Freaky Eclipse Rituals, Cosmic Serendipity, Solar Mysteries

    Freaky Eclipse Rituals, Cosmic Serendipity, Solar Mysteries
    Scientific American's Lee Billings and Clara Moskowitz join Rachel this week to talk all things eclipse. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories!  Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman  Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Thanks to our Sponsors! Get 20% OFF @honeylove by going to https://honeylove.com/WEIRDEST! #honeylovepod Right now, get 55% off at https://Babbel.com/WEIRDEST This episode is sponsored by BetterHelp. Get 10% off your first month at https://BetterHelp.com/WEIRDEST Head to https://FACTORMEALS.com/weirdest50 and use code weirdest50 to get 50% off. Learn more about your ad choices. Visit podcastchoices.com/adchoices

    Stargazing Poop Bugs, Ancient Beer Ladies, Secret Internet Slang

    Stargazing Poop Bugs, Ancient Beer Ladies, Secret Internet Slang
    Christie Taylor joins the show to talk about dung beetles who love to stargaze. Plus, Laura explains how early beer brewers were women, and Rachel gets into weird internet language on TikTok and beyond. The Weirdest Thing I Learned This Week is a podcast by Popular Science. Share your weirdest facts and stories with us in our Facebook group or tweet at us! Click here to learn more about all of our stories!  Links to Rachel's TikTok, Newsletter, Merch Store and More: https://linktr.ee/RachelFeltman  Rachel now has a Patreon, too! Follow her for exclusive bonus content: https://www.patreon.com/RachelFeltman Link to Jess' Twitch: https://www.twitch.tv/jesscapricorn -- Follow our team on Twitter Rachel Feltman: www.twitter.com/RachelFeltman Produced by Jess Boddy: www.twitter.com/JessicaBoddy Popular Science: www.twitter.com/PopSci Theme music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq?si=5VF2r2XiQoGepRsMTBsDAQ Thanks to our Sponsors! Get 20% OFF @honeylove by going to https://honeylove.com/WEIRDEST! #honeylovepod Right now, get 55% off at https://Babbel.com/WEIRDEST This episode is sponsored by BetterHelp. Get 10% off your first month at https://BetterHelp.com/WEIRDEST Head to https://FACTORMEALS.com/weirdest50 and use code weirdest50 to get 50% off. Learn more about your ad choices. Visit podcastchoices.com/adchoices