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News articles about "Earth"

To address climate change, nothing substitutes for reducing carbon dioxide emissions

The politically expedient way to mitigate climate change is essentially no way at all according to a comprehensive new study by University of Chicago climatologist Raymond Pierrehumbert Among the climate pollutants humans put into the ... - Read More

High CO2 levels cause warming in tropics

The impact of the greenhouse gas CO2 on Earth's temperature is well established by climate models and temperature records over the past 100 years as well as coupled records of carbon dioxide concentration and temperature ... - Read More

Origin of life: Stanley Miller's forgotten experiments, analyzed

Stanley Miller the chemist whose landmark experiment published in 1953 showed how some of the molecules of life could have formed on a young Earth left behind boxes of experimental samples that he never analyzed ... - Read More

Team develops a geothermometer for methane formation

Methane is a simple molecule consisting of just one carbon atom bound to four hydrogen atoms But that simplicity belies the complex role the molecule plays on Earth it is an important greenhouse gas is ... - Read More

Stanley Miller's Forgotten Experiments, Analyzed

Released 6 25 2014 12 00 PM EDTSource Newsroom Georgia Institute of Technology more news from this source Contact Information Available for logged in reporters only Citations National Science Foundation NASA Astrobiology Program NSF CHE ... - Read More

No limits to human effects on clouds

Understanding how clouds affect the climate has been a difficult proposition What controls the makeup of the low clouds that cool the atmosphere or the high ones that trap heat underneath How does human activity ... - Read More

60-year-old prediction of atomic behavior confirmed: New experimental path to superfast quantum computing

Researchers at Washington State University have used a super cold cloud of atoms that behaves like a single atom to see a phenomenon predicted 60 years ago and witnessed only once since The phenomenon takes ... - Read More

Modern ocean acidification is outpacing ancient upheaval: Rate may be ten times faster

Some 56 million years ago a massive pulse of carbon dioxide into the atmosphere sent global temperatures soaring In the oceans carbonate sediments dissolved some organisms went extinct and others evolved Scientists have long suspected ... - Read More

Reducing emissions will be primary way to fight climate change, study finds

Forget about positioning giant mirrors in space to reduce the amount of sunlight being trapped in Earth's atmosphere or seeding clouds to reduce the amount of light entering earth's atmosphere Those approaches to climate engineering ... - Read More

Solving the puzzle of ice age climates: Southern Ocean and explanation for 'Last Glacial Maximum'

The paleoclimate record for the last ice age a time 21 000 years ago called the Last Glacial Maximum LGM tells of a cold Earth whose northern continents were covered by vast ice sheets Chemical ... - Read More

NASA-funded rocket to study birthplace of stars

Update May 27 2014 NASA successfully launched the Colorado High resolution Echelle Stellar Spectrograph or CHESS payload aboard a Black Brant IX suborbital sounding rocket at 3 35 a m EDT on May 24 2014 ... - Read More

Controlling the nano-world: Scientists unveil first method for controlling the growth of metal crystals

Researchers have announced the first ever method for controlling the growth of metal crystals from single atoms Published in the journal Nature Communications and developed at the University of Warwick the method called Nanocrystallometry allows ... - Read More

Richest marine reptile fossil bed along Africa's South Atlantic coast is dated at 71.5 mya

A new study uses carbon isotope dating to determine the first precise age for this bed and ties the western coast of Africa to 30 million years of global geologic records Paleontologists at Southern Methodist ... - Read More

On the shoulder of a giant: Precursor volcano to the island of O'ahu discovered

Researchers from the University of Hawai'i Mānoa UHM Laboratoire des Sciences du Climat et de L'Environment France and Monterey Bay Aquarium Research Institute recently discovered that O'ahu actually consists of three major Hawaiian shield volcanoes ... - Read More

Control methane now, greenhouse gas expert warns

As the shale gas boom continues the atmosphere receives more methane adding to Earth’s greenhouse gas problem Robert Howarth greenhouse gas expert and ecology and environmental biology professor fears that we may not be many ... - Read More

Greenland melting due equally to global warming, natural variations

The rapid melting of Greenland glaciers is captured in the documentary Chasing Ice The retreat of the ice edge from one year to the next sends more water into the sea Now University of Washington ... - Read More

Revealing the healing of 'dino-sores': Examining broken bones in 150-million-year-old predatory dinosaur

Scientists have used state of the art imaging techniques to examine the cracks fractures and breaks in the bones of a 150 million year old predatory dinosaur The University of Manchester researchers say their groundbreaking ... - Read More

Sprites form at plasma irregularities in the lower ionosphere

Atmospheric sprites have been known for nearly a century but their origins were a mystery Now a team of researchers has evidence that sprites form at plasma irregularities and may be useful in remote sensing ... - Read More

Climate change threatens to worsen U.S. ozone pollution

Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise according to new research led by the National Center for Atmospheric Research NCAR The detailed study ... - Read More

The science of extraterrestrial Olympics, Brad Pitt's punches and Breaking Bad gore

University of Leicester students apply sophisticated scientific principles to pop culture scenarios with intriguing results How would athletes fare if the Winter Olympics were held on Saturn's moon Enceladus How realistic was the grizzly downfall ... - Read More
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