It’s official: Parasitic wasps are the slave drivers of the insect kingdom. But if you’re thinking whips and chains, you’re not giving evolution nearly enough credit. Wasps enslave with biological warfare, genetically programming caterpillars to be the perfect hosts.
This blackspot tuskfish, found in Australia's Great Barrier Reef, held a clam in its mouth and smashed it against a rock to reach the food inside. This photo is the first incontrovertible proof that fish are capable of tool use.