Brainstuff

It’s one of the common vision correction surgeries accomplished with lasers, but how does it work? Is it really safe? Learn about LASIK eye surgery in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It may seem like an obvious ‘yes’, but denim producers often recommend washing your jeans as little as possible — if at all. Learn why (and what they recommend instead) in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Conventional wisdom says that eating carrots will give you better vision, but how true is that? Learn where the idea came from in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

When the temperature drops (or bounces), are you more likely to get sick? Learn the science behind the old wives’ tale in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Dogs’ noses are often wet, but why? And does a dry nose mean your pup is sick? Learn what science has to say about dogs’ noses in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Science fiction tells us our future depends on giant, humanoid robots protecting us and punching monsters. But could we really build those machines? Learn how close we are in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Water usually appears clear, but ice cubes and ice on lakes often looks cloudy. Learn what has to happen for ice to freeze clear (like black ice does on roads) in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

What is silica gel? Why are packets of it included in lots of packaging? And what would happen if you ate it? Learn how silica gel keeps moisture at bay in this episode of BrainStuff.  Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

For some, winter means a daily battle against cracking, peeling lips. Learn what causes this -- and what you can do to prevent it -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

It's a dreaded part of job interviews: "What did you make at your last job? What are your salary requirements?" Learn the science behind navigating this tricky topic in today's episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The End Of The World with Josh Clark is a 10-part podcast series on existential risks – threats that could bring humanity to a sudden and untimely end in the near future. Check out this preview, featuring a clip about our potential to spread from Earth. Listen and subscribe at Apple Podcasts, or on the iHeartRadio app, or wherever you listen to podcasts. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Bulletproof vests have certainly saved lives, but exactly how bulletproof are they? Learn what they're made of and how they can fail to protect wearers in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Genetics says "probably." In this episode of BrainStuff, learn what researchers found when they submitted supposed Yeti samples for genetic testing. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Computer systems can indeed help traffic flow better by syncing stop lights' cycles. But how well does it work, and what does it take to implement? Learn how researchers hope to get you out of traffic jams in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Cannabidiol (CBD) oil, derived from cannabis, is being touted as a treatment for everything from migraines to insomnia. But how effective is it? Learn what research has (and hasn't) shown in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

A battle between two brothers created the second- and third-largest sneaker companies in the world. Learn the story of the brothers Dassler in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Besides weird. Or, including weird? Learn some of the strangest features of sea cucumbers in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Brightly colored fruit stands out against green leaves, but why is some red or pink, while others skew yellow or purple? And why are some fruits smellier than others? Learn what new research says about fruits' evolution in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Elephants have a thick hide that's wrinkled from birth, but why? Learn about the new research that's revealed the secrets to elephant skin in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The American practice of kids dressing up and demanding candy from neighbors on October 31st is fairly new, but it's based in centuries of evolving beliefs and traditions. Learn the history of trick-or-treating in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.