What can you see at the beach? Sunsets, crashing waves, shells, sea turtles… and fleas. And some of these sand fleas aren’t ...

Tungiasis, a tropical disease associated with poverty, is caused by the penetration of female sand fleas into a person's skin, usually in their toes or feet. This week in PLOS Neglected Tropical ...

There’s a proud tradition of scientists conducting experiments on themselves: Jonas Salk injected his entire family with the first polio vaccine. Sir Humphry Davy inhaled the fumes he concocted in his ...

ARE TO LIVE IN THE FREE STATE OF FLORIDA, UNQUOTE. THIS VIDEO OF A BREVARD COUNTY BEACH IS GETTING A LOT OF ATTENTION ON FACEBOOK. I WANT TO SCRATCH MY ARMS JUST LOOKING AT THESE THINGS. THESE ARE ...

Fleas perform an amazing feat when they jump, and the mechanics behind the tiny, bloodsucking pests' acrobatics have been studied -- and debated -- for a long time. But new research may have settled ...