Why do we like getting scared?

Does it seem like your dog knows what you’re going to do before you do it? Do they know how you’re feeling? We’re going to answer these questions by talking to Dr. Alexandra Horowitz from the Dog Cognition Lab at Barnard College. We’ll take a look at dog body language and what we ...  Show more

The hair on our heads is on our minds. We have fun with follicles and learn about how they make hair. Our experts help us decipher what makes hair black or brown, blonde or red, and even why it turns gray. From eye lashes to ear and nose hair, this episode has it all. Why do huma ...  Show more

Carbon dioxide is a waste product of gasoline- and coal-burning engines, and it's a serious pollutant. But what if we could capture that carbon and recycle it into usable fuel? Learn why researchers say we're getting close in this episode of BrainStuff. Learn more about your ad-c ...  Show more

Carbon dioxide is a waste product of gasoline- and coal-burning engines, and it's a serious pollutant. But what if we could capture that carbon and recycle it into usable fuel? Learn more in this classic episode of BrainStuff, based on this article: https://science.howstuffworks. ...  Show more

Our planet has a carbon problem -- if we don't start removing carbon dioxide from the atmosphere, we'll grow hotter, faster. Chemical engineer Jennifer Wilcox previews some amazing technology to scrub carbon from the air, using chemical reactions that capture and reuse CO2 in muc ...  Show more

Gasoline-powered passenger cars account for about 17% of global carbon dioxide emissions. Earlier this month, President Biden signed an executive order setting a goal that by 2030, half of all cars sold in the U.S. would be hybrid or electric. And major automakers have joined ...