Uncategorized
- Chemistry
Molecule ties itself in a complex knot
Chemists synthesize a five-crossing structure centered on chloride.
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- 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.
- Humans
Network analysis predicts drug side effects
A computer technique can foresee adverse events before medications are widely prescribed.
- Life
Drugs activate dormant gene
A compound that blocks DNA unwinding can spur production of a critical brain protein in mice, leading to hope for a therapy for Angelman syndrome.
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- Space
First Earth-sized planets netted
The Kepler space telescope gets one step closer to its mission of discovering habitable worlds by finding two orbs of terrestrial proportions orbiting a distant sunlike star.
- Humans
Fewer fires in Africa these days
How flames spread, not how frequently people start them, controls burning on the continent.
