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You're listening to TED Talks Daily, where we bring you new ideas and conversations to spark your curiosity every day.

I'm your host, Elise Hugh. When you hear of the Great Barrier Reef off the coast of Queensland, Australia, Many people think of vast colors, sparkling waters,

and technicolor fish. But coral reef systems are extremely sensitive to temperature. And so as the planet warms, reefs across the world, including the Great Barrier Reef, are dying and at a terrifying

pace. This problem might seem insolvable,

but not to reef guardian Teresa Fife.

So in honor of World Oceans Day coming up this Sunday,

we're sharing her inspiring talk,

where she shares how she and her team are deploying new technology

with roots in cancer research that's making scalable

coral restoration a reality. And as Teresa says, why it's not game over, but game on.

In uncertain times, people turn to gold, some buy gold coins or small bars. But that's not how the professionals buy gold. They buy large 12 and a half kilo gold bars. You too can buy in this way from one gram upwards. When you do, you'll get the absolute lowest price. And because your gold is stored and insured in a professional vault, you'll never have to worry about it.

Bullion Vault. Why buy gold any other way?

How did the dog sneak out?

When did that parcel vanish?

Who was outside last night?

...