What can you see at the beach? Sunsets, crashing waves, shells, sea turtles… and fleas. And some of these sand fleas aren’t so harmless; outside of the U.S., one such insect is responsible for disease ...

A child inspecting the grass with a magnifying glass. - Catherine Delahaye/Getty Images When you walk outside and take a deep breath, the scent of fresh plants and grass wakes your senses like a warm ...