This week: Pluto not a planet, "Atlantis" eruption update, jellyfish invasion, ant speed record, interview with Kilimanjaro's quickest conqueror, more.
Using a technique borrowed from in vitro fertilization, researchers have for the first time shown that it is possible to create new embryonic stem cell colonies without destroying human embryos. Corrected article
Huge hordes of jellyfish are plaguing Mediterranean beaches, stinging tens of thousands of vacationers. Experts blame the invasion on warming seas and overfishing of the jellies' competitors.
A new study shows that 46 percent of U.S. rabies cases are caused by bats—15 percent more than the amount attributed to dogs—and August is peak season for rabid-bat infections.
A new distributed computing program harnesses processor time from thousands of volunteers to model the spread of malaria and the potential of treatments.
Use of antibiotics in U.S. livestock may have helped create more resistant strains of the bacteria that cause the most common food-borne illness, a study shows.
It's a safe bet that global warming is causing more heat waves, climate experts say. But it's difficult to link any specific event, such as this year's extreme temperatures, to climate change, they caution.
The widely banned pesticide could make a comeback as global health organizations endorse its use in the fight to save millions of people threatened by malaria.
A duck hunter and two wildlife workers have tested positive for a nonlethal form of avian flu, scientists say, the first sign that bird flu can be transmitted to humans by wild birds.
Science experiments from Discovery's 13-day mission may help astronauts stay healthy during long-distance space flights, such as trips to the moon and Mars.
Just by thinking about it, a paralyzed man has opened email, turned up the TV, and grabbed candy with a robot arm, says a new study of a brain-computer interface.
