Matter & Energy

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Shark snout

IT’S ELECTRIC  A shark’s snout contains tiny pores, known as ampullae of Lorenzini, which can sense weak electric fields from prey. New research indicates that a jelly inside the pores is a highly efficient proton conductor.

cancer nanotubes

SQUEEZE PLAY  When trapped inside tight tubes, cancer cells divide unevenly. But as their membranes bulge (shown with yellow arrows), the cell division gets a little less distorted.   

birds of a feather

QUANTUM COMPASS  Migrating birds may find their way using sensitive quantum mechanical compasses. A new study suggests that such compasses benefit from the delicate nature of quantum weirdness.

Matter & Energy

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