Top Stories

The ‘Smell’ of Coral as an Indicator of Reef Health

A study led by Dr Caitlin Lawson is the first to explore the mix of volatile gases emitted by healthy and stressed corals, identifying a distinct chemical diversity among compounds that may play important – but previously unrecognised – roles in reef functioning.

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An Escape Route for Seafloor Methane

Methane, the main component of natural gas, is the cleanest-burning of all the fossil fuels, but when emitted into the atmosphere it is a much more potent greenhouse gas than carbon dioxide. 

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Thomsen River Estuary, Banks Island

Sea ice and waterways along the north side of Canada’s high-Arctic island reveal compelling patterns when viewed from above.

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The Braided Brahmaputra

The river’s high sediment load contributes to the abrupt change in its shape as it exits the Himalayas and hits flatter land.

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Painting Pennsylvania Hills

The region of rolling hills and valleys is part of a geologic formation known as the Ridge and Valley Province that stretches from New York to Alabama.

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A Sliver of Mexico’s “Mother Mountain Range”

The Sierra Madre Oriental is part of a chain that stretches across three continents.

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Caribbean Coral Reefs Under Siege From Aggressive Algae

Human activity endangers coral health around the world.

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Forest Fires, Cars, Power Plants Join List of Risk Factors for Alzheimer’s Disease

A new study led by researchers at UC San Francisco has found that among older Americans with cognitive impairment, the greater the air pollution in their neighborhood, the higher the likelihood of amyloid plaques – a hallmark of Alzheimer’s disease. 

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Genes Unlock Clues to the Evolution & Survival of the Great Barrier Reef

In a ground-breaking new study, scientists used innovative molecular techniques to explain how corals on the east coast of Australia survived previous tough conditions—enabling the Great Barrier Reef to become the vast reef it is today.

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How Stable Is the Antarctic Ice Sheet?

As temperatures rise due to climate change, the melting of polar ice sheets is accelerating. 

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