News
-
MathPrimal Progress: Pattern hunters spy order among prime numbers
The population of prime numbers includes an infinite collection of arithmetic progressions.
-
EarthLava Life: Hints of microbes in ancient ocean rocks
Microscopic, carbon-lined tubes in lava that erupted onto the ocean floor about 3.5 billion years ago were etched by microbes, a number of signs suggest.
By Sid Perkins -
PhysicsPhoton Double Whammy: Careening electrons may rev up solar cells
A newfound cue ball effect in nanometer-scale crystals of a semiconductor compound may lead to highly efficient solar cells made from such nanocrystals.
By Peter Weiss -
EarthSea Change: Ocean report urges new policies
To combat environmental degradation and encourage sustainable use of resources off the nation's shores, the U.S.