Uncategorized
- Earth
Planes can trigger snowfall
Under certain conditions, aircraft can trigger precipitation as they pass through moisture-laden clouds.
- Life
Forget mice, elephants intimidated by ants
Swarms of little nuisances have an outsized effect on who nibbles which trees in the African savanna.
- Health & Medicine
H1N1 virus lacks Spanish flu’s killer protein
Researchers uncover a deadly secret of Spanish flu.
- Health & Medicine
Different berries, similar cancer-fighting effects
Animal tests suggest that esophageal and breast cancer might make good targets for several types of berries as dietary supplements.
- Humans
First Mexican-American and African-American genomes completed
Studies hint that genetic diversity among Native Americans may rival that seen in some African populations.
- Psychology
Travelers have southern bias
Southern routes to a destination often get picked over same-distance northern routes, possibly because people equate north with “up.”
- Physics
Bouncing beads outwit Feynman
Ratchet-and-pawl thought experiment whirs to life, extracting work from bouncing beads.
- Space
Familiar comets may have distant roots
More than 90 percent of objects found in the vast outer–solar system reservoir may have been born around other stars, new computer simulations suggest.
- Earth
Ancient marine reptiles losing their cool
Warm-bloodedness may help explain the creatures’ evolutionary success, a new study suggests.
- Space
Portrait of a youthful planet
New pictures confirm that astronomers have recorded a planet circling the star Beta Pictoris, making the orb the youngest, star-orbiting extrasolar planet to be photographed.
- Ecosystems
Parasite brood gets help from nearby microbes
A critical interaction between whipworm and E. coli suggests a new way to battle the common gut infection.
- Humans
Ancient shoe steps out of cave and into limelight
Excavations in an Armenian cave have uncovered the oldest known leather footwear, a 5,500-year-old shoe.
