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.
Stephen Frink Collection/Alamy
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.
W. Xi et al/ACS Nano 2016
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.