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oceans

Artist's impression of the Swansea tidal power project, showing a walkway around the periphery

Earth

Why tidal power won't solve the world's renewable energy needs

There are widespread calls for the UK government not to abandon a trailblazing tidal power project, but this energy source is no green panacea, says Hans van Haren

Comment

Sperm whales are tracking fishing boats and stealing their fish

Earth

Sperm whales are tracking fishing boats and stealing their fish

News

Seals only sleep with half their brain when they're out at sea

Life

Seals only sleep with half their brain when they're out at sea

News

The most elusive whales reveal their secrets in their wakes

Life

The most elusive whales reveal their secrets in their wakes

News

Half of life on Earth has vanished since we arrived on the scene

Earth

Half of life on Earth has vanished since we arrived on the scene

News

The volcanic eruption on Hawaii is now making an acidic fog

Earth

The volcanic eruption on Hawaii is now making an acidic fog

News

The tides are getting stronger thanks to the shifting continents

Earth

The tides are getting stronger thanks to the shifting continents

News

Iceberg being towed away from an oil rig

Earth

Towing icebergs to Cape Town is a poor way to halt water crisis

Comment

Giant sea spiders sit and wait for prey to knock themselves out

Life

Giant sea spiders sit and wait for prey to knock themselves out

News

A fossil may rewrite the story of how plants first lived on land

Life

A fossil may rewrite the story of how plants first lived on land

A plant fossil that lay unnoticed for a century is unexpectedly large for something so old, and it could upend our ideas about the evolution of land plants

News

Life

Oxygen may have helped complex life arise a billion years early

News

Health

Antibiotic-resistant bacteria cross oceans hidden in cargo ships

News

Earth

Why climate engineers are targeting Earth's last pristine spots

Comment

Life

Our grandchildren may never see the Great Barrier Reef recover

News

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