Uncategorized
-
AnimalsEnd of Latin America’s Zika epidemic is in sight
A computer simulation suggests the Zika epidemic in Latin America is peaking and may not strike hard again for up to three decades.
By Meghan Rosen -
Health & MedicineNew study raises questions about cell phone safety
U.S. government study in rats links cell-phone radiation to a small increase in brain cancers and heart tumors. Some scientists now worry about lifetime risks to today’s children and teens.
-
AnimalsGM mosquitoes cut rate of viral disease in Brazil
Adults males carrying the altered gene cannot father young that survive to adulthood. That’s when they suck blood — and can transmit disease.
By Susan Milius -
Health & MedicineDon’t use dinner-table spoons for liquid medicines!
Kids are safer when parents use precise tools to measure liquid medicines. Switching from teaspoons to metric tools could help, a new study finds.
-
AnimalsScientists Say: Crepuscular
Day creatures are diurnal. Night creatures are nocturnal. Animals active at twilight get a special name.
-
PlanetsNew clues in search for Planet Nine
New details about Planet Nine, a hypothetical object on the edge of our solar system, might help scientists actually find it.
-
Health & MedicineU.S. mosquitoes now spreading Zika virus
Scientists had worried that if people sick with Zika came to America, local mosquitoes might bite them and spread the disease. That’s now happened.
By Meghan Rosen -
Health & MedicineTo remember something new: Exercise!
People who exercised strenuously for a half hour after learning something new cemented those memories. But the trick: Wait four hours before getting the heart pumping vigorously.
-
Science News for Students: Enjoy more than our new look
This same great journalism now comes bundled with more features designed to aid classroom use. Everything you liked about the old Science News for Students site is still there.
By Janet Raloff -
ChemistryE-cigs create toxic vapors from harmless e-liquids
New study finds a primary source of toxic vaping compounds. It’s the heat-driven breakdown of the liquids that hold nicotine and flavorings. And older, dirtier e-cigs make higher amounts of the toxic chemicals.
By Janet Raloff -
ClimateClimate closing the gender gap for this mountain flower
Among valerian plants, males like it hotter than the females do. So a warming climate has been speeding their migration up once-cool mountainsides.
-
AnimalsFrigate birds spend months without landing
Frigate birds can fly non-stop for months. They stay in the air with the help of upward-moving airflows, a new study finds.