Throw a fish carcass into a submersible trap, and the ocean’s crabs and lobsters are the first to arrive for a full meal before realizing that they’ve been caught. Lobsters and crabs smell by dragging their antennules through the water where chemosensory hairs on the ends of these antennules come into contact with odor molecules. [...]

It isn’t fog that rolls down the hill these days, but smog. Cars spill noxious fumes out their tailpipes and factories send plumes of smoke into the air. It has come to the point where holding your breath is the only solution when wandering across the street or between shops. These problems won’t exist in [...]