Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Salt trial provokes DASH of skepticism
Though a new study finds that dramatic salt restriction can lower blood pressure, even among people without hypertension, some critics challenge its value in setting new dietary guidelines for all adults.
- Health & Medicine
New inner ear hair cells grow in rat tissue
Using a gene known to control hair-cell growth, researchers have grown hair cells in tissue taken from newborn rats' cochleas, raising hopes that inner ear damage may someday be reversible.
- Humans
Motor City hosts top science fair winners
The 2000 Intel International Science and Engineering Fair winners were announced in Detroit.
- Health & Medicine
Drug combination may fight breast cancer
Retinoic acid, when combined with a drug that reverses a process called methylation in breast tumor cells, may awaken a key cancer-fighting gene.
- Health & Medicine
Two studies offer some cell-phone cautions
A British review of research gave cell-phone safety a guarded endorsement, while new findings indicate that radiation from older cell phones can trigger a stress-response gene, at least in animals.
- Health & Medicine
Waiting to exhale
A breath test that measures the activity of an enzyme involved in breaking down drugs in a person's body may help doctors minimize side effects from potent drugs such as docetaxel.
- Health & Medicine
Nervous tics in the heart
The irregular heartbeats sometimes triggered after a heart attack may be caused by abnormal nerve growth in heart tissue damaged by the attack.
- Health & Medicine
New gene-therapy techniques show potential
Two technologies for transferring genes, one that uses mobile DNA called transposons and another that uses a weak virus, have proved successful in overcoming genetic disorders in mice.
- Health & Medicine
Sweet news about ginseng
When taken before or with meals, ginseng appears to help people with diabetes control the normal rise in blood sugar that accompanies eating.
- Health & Medicine
Bats may spread new Malaysian virus
A Nipah virus outbreak in Malaysia may have started when bats spread disease to pigs.
- Health & Medicine
A hint at a healthful effect of beer
Beer consumption seems to boost concentrations of vitamin B6 in blood and coincides with lower concentrations of homocysteine, a risk factor for heart disease.
- Health & Medicine
Drug Eases Bone Cancer Pain in Mice
Pain caused by bone cancer in mice can be alleviated somewhat by osteoprotegerin, a drug being tested for osteoporosis, suggesting a possible new treatment for people with this cancer.
