BrainStuff

Seawater is salty because of several quirks in Earth's water cycle. Learn the reasons why in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Trying potential medical treatments on animals was once the best that science could do, but new technologies could make animal testing obsolete. Learn how in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

China has long bought waste plastic for recycling from North America and Europe, but their policies are changing. What can we do with a surplus of waste, and how can we make the situation better in the future? Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Some fish that strut the seafloor share a common ancestor with humans, so researchers are hoping that studying these fish could help us understand how we walk. Learn how in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Any high-tech car feature that takes your attention away from the road is a distraction, but are even our automatic safety systems actually making driving more dangerous? We explore in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Snot is a crucial part of our immune system and sinus health, and boogers are a byproduct of that system. Learn how they form (plus, why eating them might be advantageous) in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Beyond the U.S. gun control debate, another question deserves examination: Why are schools so frequently the sites of mass gun violence in America? We explore the psychology and potential solutions in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Leftover pizza can be an excellent snack or even a staple -- if it's treated correctly. Learn why refrigerated leftovers are safer than slices left at room temp, plus what toppings hold up best, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Cash bail punishes the poor by setting a high price on freedom -- literally. But are there any better alternatives that won't break local governments' budgets? We explore in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Researchers have found that cuttlefish's ability to change their color and texture at will is even more impressive than previously thought. Learn why -- and how technology might copy these abilities -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Having a first, middle, and last name is common in the West, but this wasn't always the case. Learn the history of middle names in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Planets and stars are basically spheres, but why? We explore the science in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

The female praying mantis: maneater or misaligned? Learn the science behind this popular semi-myth in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

The human brain is full of mysteries, and why we dream is a big one. Learn the leading theories about why we dream in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Do students of hot yoga, who practice at 105 degrees Fahrenheit (40 degrees Celsius), reap more health benefits than room-temperature practitioners? Learn what the research says in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Spoiler alert: Not yet. But researchers are working on it. Learn how in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

A sea turtle's sex is determined by the temperatures in its hatching site, and global warming is making the Great Barrier Reef warmer than ever before. What could this mean for the future of sea turtles? Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Experts are divided on whether modern lifestyle factors, like social media use and smaller family units, are leading to greater lonliness. Either way: What can we do about it? We explore in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

It sounds gross, but stick with us: Researchers are working on recycling astronauts' waste into food for edible stuff. Learn how (and why) in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

In the incredible future, robots may be able to drive your car -- but will they be able to speed? Today's self-driving cars can. Learn why in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Researchers and chefs in Japan have invented an ice cream that doesn't melt on sunny days -- and it's all thanks to deformed strawberries. Learn more in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Libraries are bastions of knowledge -- but are they also bastions of germs? Short answer: Nope! For the long answer, tune in to this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Did real-life raptors work together they way they do in 'Jurassic Park' movies? Do we even have the right raptors? Learn the leading theories in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

A database of rhinoceros DNA is helping catch violent poachers looking to sell rhino horns on the black market. Learn how in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Although psychadelic drugs are largely recreational these days, scientists are looking into potential therapeutic uses -- especially in patients for whom nothing else works. Learn how psilocybin may fight depression in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.