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Enormous structure found in the seabed between the Torres Straight and Port Douglas, could unlock the history – and future – of the Great Barrier Reef
With an life expectancy of at least 272, the Greenland shark has been recognised as the longest living vertebrate animal on the planet, and how long they can live is still a mystery

Hu(g)e worries

Geographical’s regular look at the world of climate change. This month, Marco Magrini looks at coral bleaching
An ambitious scientific mission has discovered that the deepest known point in the ocean turns out to be a far noisier place than might be expected
A delicious opportunity or proof of human impact on the ocean? The news of booming cephalopods (octopuses, cuttlefish and squid) has already divided seafood lovers and environmentalists. Whatever your opinion, cephalopods appear to be thriving while other marine species flounder,…

Saving Nemo

Bleaching sea anemones put clownfish species at risk
The iconic Suez Canal now has a twin channel, likely leading to a vast increase in shipping between Port Said and Suez. However, there are dire warnings about the impact this project has had on marine wildlife in the Mediterranean
The surprise discovery of a 600-mile long coral reef at the mouth of the Amazon river has shocked scientists. Studying such a ‘marginal reef’ could reveal secrets of marine life in low-light conditions

The drowned apostles

The Twelve Apostles, a series of great limestone stacks along the coast of Victoria, have long been a cornerstone of Australia’s Great Ocean Road. Last month, five new columns were discovered six kilometres offshore, lying 50 metres underwater
An historic phenomenon explaining why fertile coral reefs form as oases in the oceans has finally been proved correct
An innovative project claims to be able to solve the world’s data centre energy problems – by submerging them beneath the waves
The expanding effect of warmer temperatures on sea water has been greatly underestimated say German scientists
Solving the paradox of Arctic darkness, a new study finds that zooplankton migration is being guided by the light of the moon

White out

Since 2014, a global bleaching event has threatened corals. This season’s El Niño could make it worse

Drones for the deep

A start-up is developing ‘EVE’, a sea drone to map and explore the oceans
Omura’s whales are one of the least known and most elusive species of whale. A team of biologists have made the first ever field observations of a population just off the coast of Madagascar

Water report

Humanity’s impact on the health of the planet’s oceans has been laid bare in a new report by the WWF

Sound argument

Designating quiet marine areas could help protect sea ecosystems and broaden our understanding of them, research says

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DOSSIERS

Like longer reads? Try our in-depth dossiers that provide a comprehensive view of each topic

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    Hung out to dry
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    The Nuclear Power Struggle
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    Mexico City: boom town
    Twenty years ago, Mexico City was considered the ultimate urban disaster. But, recent political and economic reforms have transformed it into a hub of...

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