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News articles about "Atmosphere"

Permafrost soil: Possible source of abrupt rise in greenhouse gases at end of last ice age

Scientists from the Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research AWI have identified a possible source of carbon dioxide CO2 and other greenhouse gases that were abruptly released to the atmosphere in ... - Read More

Deep-Earth carbon offers clues on origin of life: New organic carbon species linked to formation of diamonds -- and life itself

New findings by a Johns Hopkins University led team reveal long unknown details about carbon deep beneath Earth's surface and suggest ways this subterranean carbon might have influenced the history of life on the planet ... - Read More

Robotic ocean gliders aid study of melting polar ice

The rapidly melting ice sheets on the coast of West Antarctica are a potential major contributor to rising ocean levels worldwide Although warm water near the coast is thought to be the main factor causing ... - Read More

NASA’s Orion spacecraft arrives at launch pad, hoisted onto rocket ahead of its first spaceflight

NASA's new Orion spacecraft now is at its launch pad after completing its penultimate journey in the early hours Wednesday It arrived at Space Launch Complex 37 at Cape Canaveral Air Force Station in Florida ... - Read More

Groundwater patches play important role in forest health, water quality

Even during summer dry spells some isolated patches of soil in forested watersheds remain waterlogged These patches act as hot spots of microbial activity that remove nitrogen from groundwater and return it to the atmosphere ... - Read More

Scientists prove possibility of 'impossible' dust transition in turbulent flow

Researchers from MIPT and the Weizmann Institute of Science Israel have predicted the possibility of negative turbophoresis a phenomenon where impurity particles inside a turbulent flow move in an impossible direction The study by Sergei ... - Read More

Massive geographic change may have triggered explosion of animal life

A new analysis of geologic history may help solve the riddle of the Cambrian explosion the rapid diversification of animal life in the fossil record 530 million years ago that has puzzled scientists since the ... - Read More

Ammonium source in open ocean tracked by researchers

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 study co authored by a Brown University ... - Read More

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 of ... - Read More

Combing 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 the National Oceanic and Atmospheric Administration NOAA have developed ... - Read More

Ocean's living carbon pumps: When viruses attack giant algal blooms, global carbon cycles are affected

When we talk about global carbon fixation pumping carbon out of the atmosphere and fixing it into organic molecules by photosynthesis proper measurement is key to understanding this process By some estimates almost half of ... - Read More

In between red light and blue light: New functionality of molecular light switches

Diatoms play an important role in water quality and in the global climate They generate about one fourth of the oxygen in Earth's atmosphere and perform around one quarter of the global CO2 assimilation i ... - Read More

Magnetic mirrors enable new technologies by reflecting light in uncanny ways

As in Alice's journey through the looking glass to Wonderland mirrors in the real world can sometimes behave in surprising and unexpected ways including a new class of mirror that works like no other As ... - Read More

Carbonate rocks are unrecognized methane sink

Since the first undersea methane seep was discovered 30 years ago scientists have meticulously analyzed and measured how microbes in the seafloor sediments consume the greenhouse gas methane as part of understanding how the Earth ... - Read More

Global natural gas boom alone won't slow climate change

A new analysis of global energy use economics and the climate shows that without new climate policies expanding the current bounty of inexpensive natural gas alone would not slow the growth of global greenhouse gas ... - Read More

Solar activity impacts polar ozone

The increase in greenhouse gases explains to a large extent the rise in the average temperature of Earth According to the research study published in Nature Communications today the Sun affects middle atmosphere ozone with ... - Read More

A cost-effective and energy-efficient approach to carbon capture

Carbon capture is a process by which waste carbon dioxide CO2 released by factories and power plants is collected and stored away in order to reduce global carbon emissions There are two major ways of ... - Read More

'Superglue' for the atmosphere: How sulfuric acid increases cloud formation

It has been known for several years that sulfuric acid contributes to the formation of tiny aerosol particles which play an important role in the formation of clouds The new study by Kürten et al ... - Read More

Antarctic sea ice reaches new record maximum

Sea ice surrounding Antarctica reached a new record high extent this year covering more of the southern oceans than it has since scientists began a long term satellite record to map sea ice extent in ... - Read More

Making oxygen before life: Oxygen can form directly from carbon dioxide in upper atmosphere

About one fifth of Earth's atmosphere is oxygen pumped out by green plants as a result of photosynthesis and used by most living things on the planet to keep our metabolisms running But before the ... - Read More
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