Humans
We summarize the week's scientific breakthroughs every Thursday.
- Humans
Letters from the March 5, 2005, issue of Science News
Way-up wander? It seems interesting that undersea flows have at least one characteristic different from rivers: “While river floods on land can create natural levees a few meters tall, the levees formed by [undersea] turbidity currents can grow up to 100 m[eters] high” (“Hidden Canyons,” SN: 1/1/05, p. 9). There are several sites on Mars […]
- Health & Medicine
Beer’s Well Done Benefit
Beer may prove therapeutic for diners who prefer their meat cooked until it's well done.
- Health & Medicine
A Fishy Therapy
Shark cartilage continues to be sold to fight cancer, even though its efficacy has not been confirmed by any major U.S. trials.
- Health & Medicine
Protein may aid stroke recovery
Tests in mice have shown that erythropoietin, a red blood cell growth factor, can reverse brain damage caused by strokes.
- Archaeology
Pottery points to ‘mother culture’
The Olmec, a society that more than 3,000 years ago inhabited what is now Mexico's Gulf Coast, acted as a mother culture for communities located hundreds of miles away, according to a chemical analysis of pottery remains and local clays from ancient population sites in the area.
- Health & Medicine
Cell transplants make gains versus diabetes
Transplanting insulin-making cells from a single cadaver into people with type 1 diabetes can reverse the disease in some people.
- Humans
From the February 23, 1935, issue
A new type of "atom" gun, solar X rays, and crushing mineral ore.
- Health & Medicine
To Stanch the Flow: Hemophilia drug curbs brain hemorrhage
A blood-clotting drug helps some people recover from a bleeding stroke.
- Humans
Letters from the February 26, 2005, issue of Science News
Let’s move it, people When I read of the Hubble Space Telescope–repair controversy (“People, Not Robots: Panel favors shuttle mission to Hubble,” SN: 12/18&25/04, p. 388; “Lean Times: Proposed budget keeps science spending slim,” SN: 2/12/05, p. 102), this question comes to mind: Why can’t an unmanned, powered vehicle latch on to Hubble and fly […]
- Health & Medicine
Study can’t tie EMFs to cancer
A massive, long-term Swedish study has found no sign that occupational exposures to electromagnetic fields might trigger breast cancer in women.
- Health & Medicine
Ketone diet could help in Parkinson’s
A strict low-carb diet long used to treat some people with epilepsy has been tailored so that it might fight Parkinson's disease.
- Anthropology
Human fossils are oldest yet
Homo sapiens fossils found along Ethiopia's Omo River in 1967 date to 195,000 years ago, making them the oldest-known remains of our species.
