News
- Earth
Signs of ancient sea ice
New analyses of Arctic seafloor sediments suggest floating ice debuted in the ocean at least 47.5 million years ago.
By Sid Perkins - Earth
Arctic images declassified
High-res Arctic sea images should be declassified, says National Research Council.
- Computing
Random numbers faster
Researchers have devised a way to use a laser to create strings of orderless bits for encryption.
- Earth
Bird deaths blamed on vitamin deficiency
Shortage of thiamine may have been killing birds in the Baltic and possibly elsewhere for some 25 years.
By Susan Milius - Earth
Erosion, on the down low
Experiments show how microscopic fungi attack minerals to begin the erosion process.
By Sid Perkins -
- Chemistry
A new low for nano ice
A new study shows that nanoparticles of frozen water melt at drastically lower temperatures than water in bulk.
- Physics
Pseudo pores help fling spores
New studies reveal that a thick, soft plant expels its progeny in an unexpected way.
- Humans
Statistical tests suggestive of fraud in Iran’s election
One mathematician’s closer look at voter ballot data reveals that results run afoul of Benford’s Law and show other suspicious anomalies.
- Animals
Turtles make sense after all
The odd bodies of turtles add a wrinkle to standard land-dwelling vertebrates.
By Susan Milius - Space
Pairing off in the early universe
New simulations reveal that some of the first stars in the universe formed in pairs.
By Ron Cowen - Health & Medicine
Caloric restriction extends life in monkeys, study finds
New study finds calorie restriction delays age-related diseases in monkeys. Another study reports that an immune-suppressing drug helps elderly mice live longer.