Sonia Shah talks to David Berry, author of Super Navigators about animal navigation. Homing pigeons have been studied for 100 years and are thought to be able to find their way home by smell. Icarus is a massive new initiative that's starting to track animals constantly all around the world.
As part of a massive new global tracking project, scientists are monitoring animals from a receiver on the International Space Station, mapping the incredible, previously unknown journeys that animals undertake. They’re beginning to tackle questions like how far do animals actually move? And how in the world do they know where they’re going?
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