This Week: Scraps of ancient textiles found
In the News: Traumatic brain injury
Animals spend a lot of energy avoiding toxic chemicals in their food. A new type of gene that does this in fruit flies reinforces the importance of reproduction in shaping evolution.
4B years ago, the “late heavy bombardment” burned out all life — or not… High-temp bacteria could have survived in deep rocks.
Scientists are proving that intestinal bacteria can help health — but for what conditions? Should you take probiotic supplements or eat foods with beneficial bugs? What does the science say — and not say?
Study finds that male body odor is harder to mask, but the male nose is more easily confused. Info lends insight into human mating, and helps perfume makers. So what’s in your deodorant?
The color, vision and genetics of an African fish all vary depending on the clarity of its home waters. A new study suggests how species can form without geographic barriers.
Biology operates on the nanometer scale, and now ultra-small technology is producing monster benefits for genetic analysis, cell biologists, and the treatment of blinding glaucoma.
Scientists are desperately scrounging for new ways to fight pathogenic bacteria. But would you believe healing clay, gator blood, honey and crushed leaves?
Presto-chango! Caterpillar larva looks like a bird dung — and then like a leaf. New study points a finger at hormonal balance…
Up to 20 percent of cancers are caused by a viral infection. A new study turns cancer-causing viral proteins into a homing beacon to attract radioactive isotopes that kill tumor cells.
Survive the vaccination routine? That’s no fun for anyone — parent or child.