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It had never been done before.
It'll launch like a rocket and land like an airplane.
And we got people on it.
Roger. 13 Minutes presents The Space Shuttle.
Coming soon.
You're listening to Discovery from the BBC World Service.
I'm Adam Hart and this is Tooth & Claw,
the series where I explore our complex and challenging relationships with Earth's greatest predators,
through the people who have spent their lives studying,
protecting and at times narrowly escaping them.
Today's predator is the undisputed apex predator of the sea.
With its distinctive black and white colouration,
this marine mammal is the largest member of the dolphin family.
Able to predate even great white sharks, as we heard in a previous series,
these skilled hunters are found in waters all over the world.
It's time to learn about the killer whale, also known as the orca.
Let's dive in with Dr Lee Hickmott, whale biologist and conservationist,
who's an expert on pack ice killer whales,
and whose research uses them as indicators to assess human disturbance of marine habitats.