No such thing as a free lunch for Venus flytraps

ScienceDaily (2010-08-03) -- Charles Darwin described the Venus flytrap as "one of the most wonderful plants in the world." It's also one of the fastest as many an unfortunate insect taking a stroll across a leaf has discovered. But what powers this speed? A researcher in Slovakia has been studying the plants with the help of some specialized equipment and a few unlucky insects.