Uncategorized
- Animals
Dinosaur debate gets cooking
A key piece of evidence for cold-blooded dinosaurs, growth lines in bones, has also been discovered in a set of warm-blooded animals.
- 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.
- Health & Medicine
Endocrine Society Annual Meeting
Highlights from the 94th annual meeting held June 23-26 in Houston.
- 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.
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