Earth Sciences News


Oxygen levels were only 0.1 percent of today's levels for roughly billion years before rise of animals

(Phys.org) —Geologists are letting the air out of a nagging mystery about the development of animal life on Earth.

5 hours ago from Phys.org

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2014 Antarctic ozone hole holds steady

The Antarctic ozone hole reached its annual peak size on Sept. 11, according to scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA). The size of this year's hole ...

18 hours ago from Phys.org

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Image: Egmont National Park on New Zealand's North Island from orbit

Egmont National Park on New Zealand's North Island is pictured in this satellite image.

2 hours ago from Phys.org

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They know the drill: UW leads the league in boring through ice sheets

Wisconsin is famous for its ice fishers—the stalwarts who drill holes through lake ice in the hope of catching a winter dinner. Less well known are the state's big-league ice drillers—specialists ...

20 hours ago from Phys.org

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Why It Took 23 Years to Link Amelia Earhart's Disappearance to This Scrap of Metal

Researchers had tried for 23 years to connect this piece of metal to Amelia Earhart's disappearance. They finally think they've proven it was part of her plane. The post Why It Took 23 Years ...

Thu 30 Oct 14 from Wired Science

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Magma pancakes beneath Lake Toba

Where do the tremendous amounts of material that are ejected to from huge volcanic calderas during super-eruptions actually originate?

21 hours ago from Phys.org

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Earthquake sensors track urban traffic, too

Equipment measures how fast trains are moving, counts the number of planes landing, and more

Wed 29 Oct 14 from Science Now

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Clean smell doesn't always mean clean air

Some of the same chemical reactions that occur in the atmosphere as a result of smog and ozone are actually taking place in your house while you are cleaning. A researcher in Drexel's College ...

Wed 29 Oct 14 from Phys.org

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Researchers track ammonium source in open ocean

To understand the extent to which human activities are polluting Earth's atmosphere and oceans, it's important to distinguish human-made pollutants from compounds that occur naturally. A recent ...

Wed 29 Oct 14 from Phys.org

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NIST 'combs' the atmosphere to measure greenhouse gases

By remotely "combing" the atmosphere with a custom laser-based instrument, researchers from the National Institute of Standards and Technology (NIST), in collaboration with researchers from ...

Wed 29 Oct 14 from Phys.org

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