Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
Beat Generation: Genetically modified stem cells repair heart
Tissue engineers have for the first time used genetically modified human stem cells to repair damaged hearts in guinea pigs.
- Humans
Helping patients decipher options
Scientific publishers and research organizations are preparing to launch a Web site that will make new research findings available to the public in an easy-to-understand context.
- Health & Medicine
Food Colorings
Many deeply hued plant pigments appear to offer health benefits, from fighting heart disease and obesity to preserving memory.
- Anthropology
Suddenly Civilized: New finds push back Americas’ first society
The earliest known civilization in the Americas appears to have emerged about 5,000 years ago in what's now Peru.
- Humans
From the December 29, 1934, issue
A young Crater Lake in Oregon, the internal structure of chromosomes, and a revolutionary method of electric power transmission.
- Humans
Letters from the January 1, 2005, issue of Science News
Just the facts My response as an educator to much of the outrageous science depicted in so many of the recent blockbuster hits is very different from that of many of the scientists quoted (“What’s Wrong with This Picture?” SN: 10/16/04, p. 250: What’s Wrong with This Picture?). The films provide a wonderful source of […]
- Health & Medicine
One-Two Punch: Vaccine fights herpes with antibodies, T cells
An experimental vaccine against genital herpes shows promise in animal tests.
- Health & Medicine
Expanding the therapeutic arsenal
Two experimental drugs can send chronic myeloid leukemia into remission in patients who don't benefit from the best currently available drugs.
- Health & Medicine
Drug counters severe platelet shortage
An experimental drug called AMG531 revs up production of platelets in people with severe shortages of these clotting agents.
- Health & Medicine
Viagra eases lung pressure in patients
Viagra eases increased blood pressure in the lungs, a condition that affects about one-third of adults with sickle-cell disease.
- Health & Medicine
Taking on a lethal blood cancer
A drug called bortezomib can induce remission of an aggressive kind of non-Hodgkin's lymphoma.
- Humans
Tobacco treaty on its way
An international tobacco-control treaty will go into effect on Feb. 28, 2005.
