Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Does breast-feeding accelerate AIDS?
A study of HIV-infected mothers in Kenya suggests that breast-feeding places them at a health risk.
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- Anthropology
Evolution’s Youth Movement
The fossils of ancient children may provide insights into the evolution of modern Homo sapiens.
- Health & Medicine
Dietary protection against sunburn (with recipe)
Nothing tastes more like summer, to this inveterate gardener, than a home-grown, vine-ripened tomato. As a child, on a sweltering August afternoon, I used to swipe one from our garden to nibble slowly in the backyard. Or Id share a bright red Beefsteak with mom. Slathered with mayonnaise and nestled on a bed of lettuce […]
- Health & Medicine
Genetic flaw found in painful gut disease
Scientists have discovered a genetic mutation that occurs in people with Crohn's disease, a digestive disorder that attacks the intestines.
- Health & Medicine
Poliovirus slaughters brain tumors in mice
Scientists have altered a live polio virus, inducing it to target and kill brain tumor cells without causing polio.
- Health & Medicine
Antibiotic resistance is coming to dinner
Foods tainted with bacteria that antibiotics don't kill are a recipe for more serious—even lethal—infections.
- Health & Medicine
Gender bias: Stroke after heart surgery
Women are more likely than men to suffer strokes after heart surgery.
- Health & Medicine
New drug takes on intestinal cancer
Imatinib mesylate, already approved by the FDA for treating people with a form of leukemia, blocks the activity of certain enzymes that cause gastrointestinal stromal cells to replicate uncontrollably.
- Health & Medicine
Virus in transplanted hearts bodes ill
Pediatric heart-transplant recipients who acquire a viral infection in the heart fare poorly over the long term.
- Humans
San Jose hosts 2001 science competition
More than 1,200 students from almost 40 countries competed last week in San Jose for more than $3 million in prizes and scholarships at the 2001 Intel International Science and Engineering Fair.
- Health & Medicine
Gene stifled in some lung, breast cancers
The silencing of a gene called RASSF1A appears to increase the risk of cancer, studies of lung and breast tumors show.
