SEAL MEAL A harbor seal digs its claws into a salmon. Sea lions and some other seal species have sturdy flippers instead of paws, and so can’t grasp prey in this way.
D.P. Hocking et al/Roy. Soc. Open Science 2018
ANCIENT COLOR Scientists found microscopic texturing on the scales of moths from the Jurassic Period that resembles what’s seen today in Micropterix aruncella (shown). Those structures give the insects their iridescent colors.