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While human and cephalopod evolution diverged hundreds of millions of years ago, their eyes share a remarkable similarity with our own. One of the most intriguing examples of convergent evolution, cephalopod eyes are a window into the evolution of sight – and how the most intelligent invertebrates on the planet perceive the world.

Although living sperm whales focus on squid, ten-million-year-old fossils from Peru show that ancient sperm whales were top predators. They ate primarily marine mammals, and filled niches once occupied by mosasaurs and currently filled by orcas.

Although they share their name with a Eurasian nation-state, turkeys are thoroughly American birds. Turkeys are large, flamboyent members of an American lineage of gamebirds that also includes grouse and ptarmigans.