Cleaner fish remove parasites from other fish. Why do males punish females who eat the wrong food from their host? A clue to the evolution of cooperation?

People have been controlling fermentation for at least 9,000 years. What were the ancients brewing, and how did alcohol change society?

Why do women have better sense of touch? It’s all in the size, and big isn’t better…

Buried charcoal stimulates microbes and plant growth, helping farmers on poor soil. Studies show that charcoal is stable for hundreds of years.

Titanic explosion shows one of the biggest bangs since the Biggest Bang, spreads useful elements through the universe. Finally revealed: anti-matter is working for you!

Turkeys got help for 75 years from conservation agencies. Coyotes spread across half the country all on their own. Why have these animals succeeded? How have they changed the environment?

It’s one of the biggest puzzles of paleontology: Why did North America’s large mammals go extinct shortly after the glaciers melted about 15k years ago? New study suggests that hunters get the credit — or blame.

Flu vaccine is made in eggs, but that’s too slow for a major epidemic. How are vaccines made inside animal cells? What other methods can protect us against a fast-changing, deadly virus?

Golfer-doctor finds that treating apnea cuts golf scores; sees new motivator for wearing nighttime masks.

Canada’s oil-drenched sands give it the second-largest oil reserves in the world. Using the “tar sands” pollutes air and water, destroys forests and could cause cancer. Should we leave oil sands alone?