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News articles about "Earth"

Life forms appeared at least 60 million years earlier than previously thought

Geologists from Trinity College Dublin have rewritten the evolutionary history books by finding that oxygen producing life forms were present on Earth some 3 billion years ago a full 60 million years earlier than previously ... - Read More

Discrepancy in Greenland temperatures during end of last ice age resolved

A new study of three ice cores from Greenland documents the warming of the large ice sheet at the end of the last ice age resolving a long standing paradox over when that warming occurred ... - Read More

Like weeds of the sea, 'brown tide' algae exploit nutrient-rich coastlines

The sea grass beds of Long Island's Great South Bay once teemed with shellfish Clams scallops and oysters filtered nutrients from the water and flushed money through the local economy But three decades after the ... - Read More

To clean air and beyond: Catching greenhouse gases with advanced membranes

Researchers in Japan have engineered a membrane with advanced features capable of removing harmful greenhouse gases from the atmosphere Their findings published in the British journal Nature Communications may one day contribute to lower greenhouse ... - Read More

Magnetic nanocubes self-assemble into helical superstructures

Materials made from nanoparticles hold promise for myriad applications from improved solar energy production to perfect touch screens The challenge in creating these wonder materials is organizing the nanoparticles into orderly arrangements Nanoparticles of magnetite ... - Read More

Clues to trapping carbon dioxide in rock: Calcium carbonate takes multiple, simultaneous roads to different minerals

One of the most important molecules on earth calcium carbonate crystallizes into chalk shells and minerals the world over In a study led by the Department of Energy's Pacific Northwest National Laboratory researchers used a ... - Read More

Birth of a Mineral

or ACC which could be liquid or solid might also be a reservoir for sprouting minerals To find out the team created a miniature lab under a transmission electron microscope at the Molecular Foundry a ... - Read More

Charting the global invasion of crop pests

Many of the world's most important crop producing countries will be fully saturated with pests by the middle of the century if current trends continue according to a new study led by the University of ... - Read More

Southwest U.S. may face 'megadrought' this century

Because of global warming scientists say the chances of the southwestern United States experiencing a decade long drought is at least 50 percent and the chances of a megadrought one that lasts over 30 years ... - Read More

Nanodiamonds are forever: Did comet collision leave layer of nanodiamonds across Earth?

Most of North America's megafauna mastodons short faced bears giant ground sloths saber toothed cats and American camels and horses disappeared close to 13 000 years ago at the end of the Pleistocene period The ... - Read More

Global warming pioneer calls for carbon dioxide to be taken from atmosphere and stored underground

Wally Broeker the first person to alert the world to global warming has called for atmospheric CO2 to be captured and stored underground He says that carbon capture combined with limits on fossil fuel emissions ... - Read More

Water Leads to Chemical That Gunks Up Biofuels Production

Released 20 Aug 2014 2 00 PM EDTSource Newsroom Pacific Northwest National Laboratory more news from this source Contact Information Available for logged in reporters only Citations Journal of the American Chemical SocietyAug 21 2014 ... - Read More

Latest in Crystal Research: Chemistry, Physics, Pharmaceuticals, and More

Released 4 Aug 2014 2 00 PM EDTEmbargo expired 7 Aug 2014 11 00 AM EDTSource Newsroom Newswise more news from this source Contact Information Available for logged in reporters only Citations Newswise Live EventLive ... - Read More

Solid-State Chemistry

Released 1 Aug 2014 9 00 AM EDTEmbargo expired 7 Aug 2014 11 00 AM EDTSource Newsroom American Institute of Physics AIP more news from this source Contact Information Available for logged in reporters only ... - Read More

Biomotor discovered in many bacteria and viruses

Scientists at the University of Kentucky led by nano biotechnologist Peixuan Guo have made some critical discoveries over the past year into the operation of biomotors the molecular machines used by viruses and bacteria in ... - Read More

How to power California with wind, water and sun

New Stanford research outlines the path to a possible future for California in which renewable energy creates a healthier environment generates jobs and stabilizes energy prices Imagine a smog free Los Angeles where electric cars ... - Read More

Improving tumor radiation therapy: When basic ions break DNA down

Scientists now have a better understanding of how short DNA strands decompose in microseconds A European team found new fragmentation pathways that occur universally when DNA strands are exposed to metal ions from a family ... - Read More

Deep within spinach leaves, vibrations enhance efficiency of photosynthesis

Biophysics researchers at the University of Michigan have used short pulses of light to peer into the mechanics of photosynthesis and illuminate the role that molecule vibrations play in the energy conversion process that powers ... - Read More

First snapshots of water splitting in photosynthesis

An international team led by Arizona State University scientists has published today in Nature a groundbreaking study that shows the first snapshots of photosynthesis in action as it splits water into protons electrons and oxygen ... - Read More

Pressure cell for reproducing deep-Earth chemistry

A new pressure cell invented by UC Davis researchers makes it possible to simulate chemical reactions deep in the Earth's crust The cell allows researchers to perform nuclear magnetic resonance NMR measurements on as little ... - Read More
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