Besides elephants and rhinoceroses, hippopotamuses are the largest living land animal. Though they resemble giant pigs, their closest relatives are cetaceans like whales and porpoises. Hippos are ...

Some day, you might smear gooey hippo sweat all over your body, and it won't be for a bizarre ritual or a television reality show. You'll be using a sunscreen with the chemically manufactured sweat of ...

FRESNO, Calif. -- Someday, you might smear gooey hippo sweat all over your body, and it won't be for a bizarre ritual or a television reality show. You'll be using a sunscreen with the chemically ...