Plants Behaving Badly

Charles Darwin was fascinated by the extraordinary behavior of carnivorous plants, and we now know that he barely knew the half of it. Recently scientists have shown that many more plants are carnivorous than we ever thought. Welcome to the world of killer tomatoes and murderous potatoes. But even the more obvious carnivorous plants - sundews, flytraps and pitchers - are revealing new behavior. Carnivorous plants have featured in many sci-fi films over the years, but the reality turns out to be far stranger than the fiction.