Humans
We summarize the week's scientific breakthroughs every Thursday.
- Health & Medicine
The Long Road to Beta Cells
In their quest to cure type 1 diabetes, scientists are finding that turning stem cells into insulin-producing beta cells is a lot harder than it first appeared.
- Health & Medicine
No Peanuts for Your Peanut
Youngsters are developing peanut allergies earlier because of exposures in babyhood.
- Humans
Letters from the December 15, 2007, issue of Science News
Fuzzy logic Astronomer Masanori Iye of the National Observatory of Japan blames the blurry appearance of meteor trails at about 100 kilometers altitude on the fact that they were photographed with telescopes focused at infinity (“Out-of-focus find,” SN: 9/29/07, p. 205). But optics teaches that any object much farther away than the focal length of […]
- Humans
From the December 4, 1937, issue
The perfect beauty of frost rime, the sun's surprising influence on earth, and digging up evidence of ancient domestic cats.
- Health & Medicine
Angiogenesis Factors: Tracking down the suspects in blood vessel growth near tumors
Tumors enlist certain bone marrow cells in efforts to grow new blood vessels for self-nourishment.
- Health & Medicine
Sickle Save: Skin cells fix anemia in mice
Using a new technique to turn skin cells into stem cells, scientists have corrected sickle cell anemia in mice.
- Humans
Strategies to improve teaching
Incorporating emerging data on how kids learn and cement ideas could help schools teach science more effectively, a new report argues.
- Health & Medicine
Putting tumors on pause
Keeping benign breast tumors from progressing into a malignant cancer can be achieved in mice by reducing a signaling protein.
- Health & Medicine
Diabetes drug shows new potential
Exendin-4 (exenatide) might complement a drug called anti-CD3 monoclonal antibody in reversing type 1 diabetes, a study in mice shows.
- Humans
Divorce is not ecofriendly
Divorce often takes a devastating toll on families, but it has significant impacts on the environment as well.
- Health & Medicine
Malaria’s new guises
Scientists have observed Plasmodium falciparum enjoying three distinct lifestyles—two of which have never been seen before—in the blood of infected children.
- Archaeology
Muons Meet the Maya
Physicists are exploring the use of muons generated by cosmic rays to explore Mayan archaeological sites and to probe the interiors of volcanoes and shipping containers.
