Stem cell advance

Stem cell advance
Stem-cell therapy is inching ahead. The study did not prove that it works, but other trials are started up. What took so long? More »

Ebola on the march!

Ebola on the march!
It’s “classic dogma”: Bad bacteria and viruses grow less dangerous over time. Not always! More »

World Cup raises epidemic questions

World Cup raises epidemic questions
Are sporting events and close-quarters–like planes and cruise ships–hotbeds for illness? How do scientists prepare for outbreaks? More »

Cholera strikes Haiti, spreads

Cholera strikes Haiti, spreads
As Haiti copes with thousands of deaths, scientists try to understand how weather affects cholera, and how to battle a feces-borne More »

Sweet and sour!

Sweet and sour!
Study finds added sugar — equal to 3 cans of soda a day — doubles death rate among female mice, and impairs male reproduction. Even More »

New food rules: How healthy?

New food rules: How healthy?

What are the safety fundamentals of the giant American food system? What do the new rules say? Who will (and maybe should) escape More »

Odder than odd!

Odder than odd!

Dig the dung beetle. Sample the belly button. Tilt your brain — and see what happens. Watch bees cook their enemies. Drive through the More »

Love your arteries?

Love your arteries?

Think you can get away with an occasional high-fat junk food chow-down? A new study confirms that a single meal can harm your arteries. More »

Biobombs blast cancer!

Biobombs blast cancer!

We reported on viruses that infect cancer cells, force them to make more virus, and then die. Can viruses become “intelligent More »