News
- 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.
