Top news for December 21, 2008

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Videos Show Ants Amputating Nest Mates’ Legs to Save Their Lives

Startling Research Shows That Toxic “Forever Chemicals” Can Penetrate Human Skin

The Hidden Dangers of Prenatal Cannabis Revealed

NASA volunteers complete year-long mission in 3D-printed Mars bunker in Texas | US News

NASA’s Roman Space Telescope Gets Cosmic “Sneak Peek” From Supercomputers

Princeton Scientists Develop Passive Mechanism To Cool Buildings in the Summer and Warm Them in the Winter

Incredible New Tech Lets Scientists Watch Fetuses Develop in Real Time

Chasing the midnight sun along Norway's arctic coastline

Fewer Side Effects: Safer New MDMA “Ecstasy” Variants Discovered

Stunning Infographics Reveal All The Amazing Planets You've Never Heard Of