THE SHIFTING NUCLEAR TERRAIN  Within the nucleus, as in this artist’s rendering, the genome coils around proteins and packs into a cell-specific architecture.

ancient lava

MURDEROUS MAGMA  Gases coughed up by the Siberian Traps volcanic eruptions could have triggered the Permian extinction around 252 million years ago, new research demonstrates. Researchers measured the age of the eruptions by analyzing crystals embedded in ancient lavas (shown).

CSI: SCIENCE  From fingerprints to blood splatters to DNA, people leave all sorts of traces at the scene of a crime. To help identify suspects, scientists are beefing up classic forensic techniques, and coming up with new ones. One day, microbes and odors from a suspect’s body may give investigators additional pieces of evidence to examine.

Diorama of a crime scene

DOLLHOUSE CSI This miniature portrayal of Maggie Wilson’s death in 1896 is the handiwork of self-taught criminologist Frances Glessner Lee. Lee’s dioramas trained investigators to look at crime scenes through a scientific lens. 



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