In praise of the lowly apple

In praise of the lowly apple

Among foodies, apples lack the “healthy-tasty” cachet of acai berries or pomegranates. But in a year-long study, apples produced major More »

Flying virus!

Flying virus!

Flu virus can fly on aerosols after a sneeze, cough, even a breath. They can stay aloft for hours, long enough to find another victim. More »

Hangover: Getting to the root of pain

Hangover: Getting to the root of pain

It’s as sure as sunrise. Drink too much, and you’ll pay next morning: lassitude, nausea, headache, dizziness, and more specialized More »

Key to caloric restriction found!

Key to caloric restriction found!

To stay young, science says you drastically cut calories. It works for fruitflies, rodents, monkeys, and every mammal that has been More »

Stem cell battle resumes

Stem cell battle resumes

A federal court has thrown the field of embryonic stem cell research into confusion. Last week, research that destroys embryos could More »

Fearing flu, finding vaccine

Fearing flu, finding vaccine

How is flu vaccine is made in eggs and animal cells? What is being done to protect us against a fast-changing, deadly virus? Is a More »

Swine flu

Swine flu

Virologists have been working late since swine flu appeared in April. With flu running amok in South America, what can we expect when More »

Phony science

Phony science

Fraud happens. In a 2009 survey, 2 percent of scientists admitted faking data; 14 percent said colleagues have done it. Problems worst More »

Swine flu

Swine flu

The epidemic fades, with 61 confirmed deaths and 5,251 cases so far. Were the public health warnings overdone? Or did they help stem More »

HIV infection caught on videotape

HIV infection caught on videotape

New video captures AIDS moving inside immune cells: HIV enters pods that form on the surface, then jumps across into a healthy immune More »