Could Frozen Zoo DNA Stave Off Species' Extin...

The @ sign goes by many names today, but it's only so commonplace because of medieval merchants and one 1970s programmer. Learn more about the at sign (or arroba, Klammeraffe, strudel, grisehale, or gül) in this episode of BrainStuff, based on this article: https://people.howstuf ...  Show more

A human fetus doesn't develop retinas until around gestational week 28. Learn how researchers have tried to figure out what babies can see in the few remaining weeks before they're born in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com ...  Show more

A Russian program to breed human/chimpanzee hybrids? Prisoners injected with animal testes? These grotesque tales shed light on the line between humans and chimpanzees. In this episode, Robert and Julie discuss humanity's attempts to create a humanzee.

Right now, one million animal and plant species are threatened with extinction. Conservation scientists are doing whatever they can to save them, or at least of piece of them. For the last 45 years, a team of researchers at the San Diego Zoo has been freezing the cells of endange ...  Show more

You can learn a lot from an animal's scat, even if that animal hasn't walked the Earth since prehistoric times. In this episode, Robert and Julie explore the fascinating world of coprolite and ponder just what ancient humans and creatures ate.

To answer this question, we’ll unpack a scientific battle centuries in the making, one that involves a serial killer elephant and a suicidal dog. We’ll also learn a new way that people who are ambivalent about zoos can now go to zoos in good conscience. Guest: Dr. Laurel Braitman ...  Show more