Top news for December 21, 2008

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Eco-Intelligence: Harnessing Nature’s Computational Power

SpaceX Was Probably Behind the Mysterious Spiral in the Alaska Sky

The BOAT Show: Unprecedented Gamma-Ray Burst Illuminates the Universe

A Single Gene Determines Sex in Most Animals, According to A New Analysis

Activating Adult-Born Neurons: A Promising Approach for Alzheimer’s Treatment

The Current Mass Extinction Is Already Far More Dire Than We Realized

Earth Day 2023: How do we invest in our planet?

Scientists Think They've Finally Figured Out How a Maya Calendar Works

Why Does Hair Turn Gray? Research Uncovers Role of “Stuck” Stem Cells

Fluid Endeavors and Fiery Farewells: ISS Crew Explores New Tech, Readies Cargo Ship Departure