Uncategorized
- Humans
Maya civilization’s roots may lie in ritual
Cultural exchanges in southern Mexico and Guatemala tied to ancient society's rise.
- Humans
Web searches for money words anticipate market moves
Dow drops follow weeks when more people search Google for ‘debt’ or ‘stocks.’
- Space
Comet’s water still hanging around on Jupiter
Shoemaker-Levy 9 supplied almost all of aqueous part of the planet's upper atmosphere.
- Life
Birds may have had to crouch before they could fly
Digital reconstructions of avian ancestors show a progressive redistribution of weight toward the front of the body.
- Earth
Early Earth’s chlorine blown away by giant impacts
Low levels of chlorine on planet's surface have long puzzled scientists.
- Life
Mutation makes H5N1 flu lose its grip
Laboratory-added genetic change makes avian influenza unable to bind to bird cells.
- Earth
Remnants of Earth’s crust survive in the planet’s interior
A slab stayed unperturbed in the mantle for billions of years before resurfacing, sulfur measurements suggest.
- Life
Why corals do calisthenics
Pulsating motion appears to flush water to improve photosynthetic efficiency in symbiotic algae.
- Earth
Yangtze’s age revealed
Geologists narrow window on time of the Chinese river’s origin to 23-36 million years ago.
- Humans
The psychology of J.C. Penney: Why shoppers like it when retailers play games with prices
Last year, J.C. Penney CEO Ron Johnson put an end to “fake prices,” the ones that customers see but rarely pay because of coupons and sales. Instead, the clothing retailer decided to sell items at cheaper everyday prices in an effort to “stop playing games” with consumers. By June, Johnson had conceded that this strategy […]
- Space
American Physical Society meeting
A supernova’s remnants possibly showing up in fossils and an explanation for the Crab Nebula are among highlights from the physics meeting.
- Health & Medicine
Circumcision changes penis biology
Altered mix of microbes might reduce susceptibility to viral infections.
