Think twice before bringing home one of these pretty, easy-to-grow trees for your yard. The mimosa tree is undoubtedly pretty with its fern-like leaves and pink powder puffballs for flowers, blooming ...

Call them plant motors. Or plant muscles. Tiny bulges of specialized cells in a mimosa plant can fold its feathery leaflets together in seconds, then relax — and do it again. A new look at these ...

Saitama, Japan: Plants do not possess nerves and muscles that enable rapid movement in animals. However, Mimosa pudica, commonly called touch-me-not, shame or sensitive plant, moves its leaves by ...