Uncategorized
- 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.
- Plants
Botanists refine family tree for flowering plants
Two research teams have used the biggest array of flowering-plant genes yet to try to reconstruct the elusive evolutionary history of today's flowers.
- Physics
Sharper than expected
A new technique beats the resolution limits of ordinary microscopes in a way that seems to defy conventional optical theory.
- Tech
Tractor beam
Magnetic nanoparticles selectively bind to specific bacteria and can drag them out of a liquid.
- 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.
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This article says that American students’ science and math skills have been falling relative to those of their peers in other countries. How true. Recent tests put the United States in 14th place in an international comparison. But at least we are still in the top 10! Tom ReesorConway, S.C.
- 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.
- Agriculture
Lettuce Liability
A new industry program to self-regulate most salad producers is forcing affected farmers to choose between adopting measures unfriendly to wildlife and a loss of major markets for their greens.
- 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.
