What's Chocolate's Carbon Footprint?

We're not asking anyone to give up chocolate, but researchers have posed an important question: How can we make it more environmentally friendly? Learn why in this episode of BrainStuff.

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 Can't I Taste My Tongue?

Your tongue is an amazing sensory instrument -- so why can't it taste itself? Many philosophers have pondered the same thing. Learn more in this episode of BrainStuff.

Is Our Tipping System Gratuitous?

The way we tip and pay servers in North American restaurants fosters unfair and unequal paychecks for the whole staff. But it's so entrenched -- how can we fix it? Learn more in this episode of BrainStuff.

What Happens to Wine Grape Waste?

After winemakers extract grapes' juice, they're left with a lot of fruit skins and pulp. Learn what happens to all that goo in this episode of BrainStuff. 

Does Diabetes Lead to Disordered Eating?

People with Type 1 diabetes are more likely to experience eating disorders, and the consequences can be serious. Learn why, and what can be done to help, in this episode of BrainStuff.

What Makes Durian Fruit Smell So Bad?

Durian fruit is prized as a delicacy and staple -- and it smells like rotting. Learn how a group of cancer researchers mapped its genome to get to the bottom of this stench (and hopefully find something medicinally useful) in this episode of BrainStuff.

How Much Salt Is Too Much?

You've probably heard you should cut back on salt, but we need it to survive -- we're hardwired to crave it. So why cut back? And how much is actually harmful?

Botox Exists Thanks to Bad Sausages

Botox wrinkle therapy contains a tiny dose of a deadly bacterial toxin, but the story of how it was discovered is even stranger than that fact. Learn the history of botulinum toxin, plus how it's used in non-cosmetic medicine, in this episode of BrainStuff.

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.