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Humans have harvested the sea for tens of thousands of years, but only in the past few centuries have we begun to take a big toll on ecosystems. The two food webs below show predatory relationships among life-forms in the northern Adriatic Sea.

By Katherine Rowland of Nature magazine Carnivorous plants catch their prey in pools, glue and snap traps. [More]

Snakes are misunderstood. They’re not slimy.