News
- Life
Staggered lessons may work better
Training at irregular intervals improves learning in sea snails.
- Space
Saturn moons spied from the side
Cassini captures Titan and Dione against the sixth planet’s rings.
- Paleontology
Early animals dethroned
Cell division patterns in controversial Chinese fossils place them outside the animal kingdom.
- Ecosystems
Groundwater dropping globally
Nine-year record collected from orbit finds supply dropping mostly due to agriculture.
- Life
Pigeons rival primates in number task
Trained on one-two-three, the birds can apply the rule of numerical order to such lofty figures as five and nine.
