he Compass: The world’s biggest marine reserve is doing its job, sharks and the health of our oceans, the blob that cooked the Pacific.

he Compass: The world’s biggest marine reserve is doing…

SEE BELOW, CAN YOU GUESS THE RIGHT ANSWER?

THE COMPASS

This week, we dive beneath the waves into the world’s oceans. See how the world’s biggest marine reserve seems to be doing its job, learn the surprising ways sharks keep the ocean healthy, and uncover a glow-in-the-dark world on a fluorescent night dive.

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PHOTOGRAPHY BY NOAA

The world’s biggest marine reserve seems to be doing its job

Fishing boats around Papahānaumokuākea Marine National Monument in Hawai’i are catching more tuna than they used to, suggesting local populations are growing again.

“SPILLOVER BENEFITS”

PHOTOGRAPH BY LAURENT BALLESTA, NAT GEO IMAGE COLLECTION

The surprising ways sharks keep the ocean healthy

The predators have a vital role in stabilizing their ecosystems—and that could be even more important as climate change progresses.

A KEYSTONE SPECIES

GOOD READS

How a legendary camera changed our ocean view

How tiny Monaco became a giant in ocean conservation

Why we’re optimistic we can save our oceans

The seas of Avatar: James Cameron on the real science behind his fictional world

PHOTOGRAPH BY THOMAS P. PESCHAK, NAT GEO IMAGE COLLECTION

Earth has lost and gained many oceans. Here’s where a new one might appear next.

Geologic clues from our planet’s distant past reveal that today’s coastlines won’t last forever—but others will arise to take their place.

BILLIONS OF YEARS OF HISTORY

WHEN DID JACQUES COUSTEAU CO-INVENT THE THE FIRST SAFE SELF-CONTAINED UNDERWATER BREATHING APPARATUS CALLED THE AQUA-LUNG?

A. 1931
B. 1943
C. 1958

CLICK TO SEE IF YOU’RE RIGHT!

PHOTOGRAPH BY PAUL NICKLEN

The blob that cooked the Pacific

When a deadly patch of warm water shocked the West Coast, some feared it was a preview of our future oceans.

A BEWILDERING PATCH OF WATER

PHOTOGRAPH BY DAVID GRUBER

See the ocean’s glow-in-the-dark world on a fluorescent night dive

These kaleidoscopic swims help us better understand and protect our seas. Here’s why—and where—to try it.

GLOWING WATERS

WHERE WILL WE JOURNEY TO NEXT?

Be sure to check your inbox next week to find out.

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he Compass: The world’s biggest marine reserve is doing its job, sharks and the health of our oceans, the blob that cooked the Pacific.

he Compass: The world’s biggest marine reserve is doing…

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