News
- Health & Medicine
Male contraceptive shows promise
Two hormones in gels applied to the skin effectively lower sperm counts, a study finds.
- Humans
Lead poisoning stymies condor recovery
California’s iconic comeback species may need human help as long as even a small percentage of the carcasses they eat contain lead shot.
- Physics
Old battery gets a high-tech makeover
Redesigned nickel-iron battery gives modern lithium-ion devices a run for their money.
- Humans
What Silicon Valley can learn from Mother Russia
Imperial tax records from the last decades of the Empire offer clues to what makes a start-up succeed.
- Earth
Ozone hikes cardiovascular risk
The pollutant triggers inflammation and other changes that can heighten the risk of heart attack and stroke.
- Psychology
Thirtysomethings flex their number sense
A mental feel for estimating amounts maxes out later in life and may influence math achievement.
- Health & Medicine
Testosterone therapy takes off pounds
A five-year study shows that men getting the hormone consistently lose weight.
- Tech
Interactive map like GPS for Roman Empire
A simulation calculates the cost in days and dinarii of shipping goods throughout the classical world.
- Health & Medicine
Learn to play piano in your sleep
That’s still impossible, but an experiment suggests hearing a previously learned ditty while snoozing improves later performance of the piece.
- Earth
East Coast faces faster sea level rise
From North Carolina to Massachusetts, waters are rising more rapidly than the global average.
- Particle Physics
Physicists on alert for Higgs announcement
New data on hunt for elusive Higgs boson to be presented at Australia conference.
- Life
Second of two blocked flu papers released
Held back for months by a U.S. government biosafety board, the research pinpoints five mutations that render the potent H5N1 virus transmissible through air.
