Life & Evolution

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The larvae of Diamphidia nigroornata beetles produce a toxin that Ju|'hoan hunters collect for poison arrows.

HEY LOOK  The spherical bacteria Synechocystis (shown here in false color) can use their single-celled bodies almost like eyeballs. A light shining up from the bottom of this image passes through the cells and focuses on the far side (white arrows highlight examples of focused light). A laser light source in the center (red dot) helped test which way the cells move in reaction to bright spots of light. 

SQUISH  A new, collapsible robot can squeeze into tight spaces like its living inspiration, the American cockroach, Periplaneta americana.

Life & Evolution

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