When Stars Collide
When two stars smash into each other, it can be a very pretty sight (as long as you¿re not too close by). These occurrences were once considered impossible, but they have turned out to be common in certain galactic neighborhoods
Volume 287, Issue 5
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Features
Gladiators: A New Order of Insect: An Order is Born
Weapons of Mass Disruption
Radiological terror weapons could blow radioactive dust through cities, causing panic, boosting cancer rates and forcing costly cleanups
Rules for a Complex Quantum World: Overview/Quantum Information
Burning Questions
Scientists work to understand and control the plague of wildfires in the West
The Long Arm of the Immune System
Dendritic cells catch invaders and tell the immune system when and how to respond. Vaccines depend on them, and scientists are even employing the cells to stir up immunity against cancer