Early Earth may have been a 'waterworld'

Kevin Costner, eat your heart out. New research shows that the early Earth, home to some of our planet's first lifeforms, may have been a real-life "waterworld"— without a continent in sight.

Dutch build more dunes against rising seas

On the beach at Monster, bulldozers painstakingly turn sand dredged from the bottom of the North Sea bed into dunes in an ambitious effort to safeguard the Netherlands from flooding.

Giant Australian animals were not wiped out by climate change

(Phys.org) —Researchers have ruled out climate change as the cause of extinction of most of Australia's giant animals, including giant kangaroos, three metre-tall flightless birds and the Tasmanian tiger, around 50,000 ...

Rivers flow differently over gravel beds, study finds

River beds, where flowing water meets silt, sand and gravel, are critical ecological zones. Yet how water flows in a river with a gravel bed is very different from the traditional model of a sandy river bed, according to ...

How drought affects freshwater fish

When we think of a river, dark, cool rushing water —full of energy and life —comes to mind. Yet, in the face of climate change we are frequently witnessing almost entirely dry river beds with barely enough water to ...

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