News
- Earth
Arctic seafloor a big source of methane
Measurements show that Arctic undersea methane deposits, previously thought to be sealed by permafrost, are leaking into the atmosphere.
- Life
Researchers distinguish two different types of blood stem cells
Working in mice, scientists find that red and white blood cells arise from different progenitors.
- Physics
Aluminum superatoms may split water
Metal clusters could create hydrogen for fuel, simulations suggest.
- Health & Medicine
Old drug may be first choice for childhood petit mal epilepsy
Three-way trial shows ethosuximide edging out two newer choices.
- Earth
Earth knocked for a loop
Chile’s February 27 temblor, tectonically linked to another giant quake 50 years ago, sped up the Earth’s rotation and tipped the planet’s axis.
