Flying the final approach to Tranquility Base

As the Apollo 11 lunar module approached the Moon's surface for the first manned landing, commander Neil Armstrong switched off the autopilot and flew the spacecraft manually to a landing.

Why do sharks dive?

Is it to regulate their body temperature? Conserve energy? Find food?

Penguin foraging behaviour monitored

Accelerometers, video cameras and GPS recorders are providing a new glimpse into penguin foraging behaviour and revealing how they react to changes in their environment.

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