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from WIRED

Why Is There a Leap Year?

The Earth's imperfect path around the sun leads to an extra day every four years. Dot Physics blogger Rhett Allain explains how leap years work -- and why there should be more of them.

from Ars Technica

For scientists seeking extraterrestrial life, Kepler probe is step one

For scientists seeking extraterrestrial life, Kepler probe is step one.

Fiber optic technology could bring sun and greenery to a park underneath the Lower East Side of Manhattan.

from ScienceDaily

Hyperactivity in brain may explain multiple symptoms of depression

EEG data reveal how tightly connected the frontal cortex (red) is to the rest of the brain in depression (left) and health (right).

from ScienceDaily

Mutated plants may be better for biofuels

Mutated plants may improve the conversion of cellulosic biomass into biofuels.