Do Happy Cows Really Make Better Milk?

OK, 'happy' might be a stretch, but researchers are looking into how cows given positive interactions (like back scritches) grow and produce milk versus less-content cows. Learn what the results say in this episode of BrainStuff.

Why Were Fruit Flies the First Animal in Space?

In 1947, U.S. military scientists launched the very first Earth animals into space: fruit flies. But why these diminutive bugs in particular? Learn about their trip to the final fronteir in this episode of BrainStuff.

Could Platypus Milk Fight Antibiotic-Resistant Disease?

For everything that's weird and wondrous about the platypus, we probably shouldn't be surprised that its milk may help save countless lives, but here we are. Learn how in this episode of BrainStuff.

Is There a Gene for Infidelity?

Some animals mate for life -- and others decidedly don't. Learn what researchers have discovered about cheating by studying voles and humans alike in this episode of BrainStuff.

Is Prozac Endangering Crabs' Survival?

When we take medications, we sometimes excrete chemicals that get flushed into our oceans. In the case of fluoxetine (Prozac), those chemicals seem to be chilling crabs out -- which is bad for the crabs.

What's the Difference Between Eggs of Different Colors?

Brown, white, blue, or green: Chicken eggs come in a spectrum of colors, but they all cook up the same. Learn what makes eggs different colors in this episode of BrainStuff.

Could Technology Replace Animal Testing?

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.

Cuttlefish Camouflage Is an Energy-Efficient Superpower

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.

Should You Give Cats Milk?

Pop culture often shows cats happily sipping saucers of milk, but giving a cat milk isn't actually the best treat for it -- or you. Learn why in this episode of BrainStuff.

What Animal Has the Best Echolocation Abilities?

Bats, dolphins, and other animals all use sonar to navigate, but the narwhal has them all beat, and it's thanks to narwhals' distinctive horns. Learn how in this episode of BrainStuff.