Math & Technology

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computer simulated tornado

CYBER STORM  The 60-kilometer-wide swirling thunderstorm in this simulation spawned the first digitally created long-lived EF5 tornado (bottom, right-center). The 700-meter-wide virtual twister may reveal why some real-life tornadoes linger.

A new microscopy technique called nonlinear SIM gives a better look at how the cell’s internal scaffolding, or cytoskeleton, changes over time. Shown is a still image from a video of cytoskeletal proteins in a mouse embryonic fibroblast cell. 

photograph of miniature crime scene by Frances Glessner Lee

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.

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