All About Chemistry... 2011 and beyond

News articles about "Earth"

New transitory form of silica observed

A Carnegie led team was able to discover five new forms of silica under extreme pressures at room temperature Their findings are published by Nature Communications Silicon dioxide commonly called silica is one of the ... - Read More

Geoengineering proposal may backfire: Ocean pipes 'not cool,' would end up warming climate

To combat global climate change caused by greenhouse gases alternative energy sources and other types of environmental recourse actions are needed There are a variety of proposals that involve using vertical ocean pipes to move ... - Read More

Computer sims: In climatic tug of war, carbon released from thawing permafrost wins handily

There's a carbon showdown brewing in the Arctic as Earth's climate changes On one side thawing permafrost could release enormous amounts of long frozen carbon into the atmosphere On the opposing side as high latitude ... - Read More

Iron rain fell on early Earth, new Z machine data supports

Researchers at Sandia National Laboratories' Z machine have helped untangle a long standing mystery of astrophysics why iron is found spattered throughout Earth's mantle the roughly 2 000 mile thick region between Earth's core and ... - Read More

Frequency of tornadoes, hail linked to El Niño, La Niña

Climate scientists can spot El Niño and La Niña conditions developing months ahead of time and they use this knowledge to make more accurate forecasts of droughts flooding and even hurricane activity around the world ... - Read More

Morning is the time for powerful lightning

Wherever you are if it's 8 a m it's time for the kids to be in school time perhaps for a second cup of coffee and time for the most powerful lightning strokes of the ... - Read More

Predicting which African storms will intensify into hurricanes

Hurricanes require moisture the rotation of Earth and warm ocean temperatures to grow from a mere atmospheric disturbance into a tropical storm But where do these storm cells originate and exactly what makes an atmospheric ... - Read More

Epoch-defining study pinpoints when humans came to dominate planet Earth

The human dominated geological epoch known as the Anthropocene probably began around the year 1610 with an unusual drop in atmospheric carbon dioxide and the irreversible exchange of species between the New and Old Worlds ... - Read More

New information helps predict future climate change impacts on global tropics

Researchers at the University of Montana Princeton University Stanford University and Rutgers University among others are collecting new measurements of tropical forests to gain a better understanding of how they respond to seasonal climate variations ... - Read More

Hidden greenhouse emissions revealed in new report

Restoration of wetlands can reduce greenhouse gas emissions This is shown in a report that has been written in part by researchers from the University of Gothenburg Former wetlands that have been drained and which ... - Read More

Same forces as today caused climate changes 1.4 billion years ago

Natural forces have always caused the climate on Earth to fluctuate Now researchers have found geological evidence that some of the same forces as today were at play 1.4 billion years ago Fluctuating climate is ... - Read More

How rivers creep, flow to shape landscapes over time

Rivers drive the evolution of Earth's surface by eroding and depositing sediment But for nearly a century geologists have puzzled over why theoretical models which use principles of physics to predict patterns of sediment transport ... - Read More

Atmosphere above Africa: Clouds and aerosol measurements

From Saharan dust storms to icy clouds to smoke on the opposite side of the continent the first image from NASA's newest cloud and aerosol measuring instrument provides a profile of the atmosphere above Africa ... - Read More

Researchers create artificial methane hydrates, open an innovative pathway for use of new fuels

The Laboratory of Advanced Materials belonging to the University of Alicante's department of Inorganic Chemistry has developed a technology that allows the preparation of artificial methane hydrates The research has been published by the scientific ... - Read More

Snffing out origins of methane: instrument identifies methane's origins in mines, deep-sea vents, and cows

Methane is a potent greenhouse gas second only to carbon dioxide in its capacity to trap heat in Earth's atmosphere for a long time The gas can originate from lakes and swamps natural gas pipelines ... - Read More

NASA Ames reproduces the building blocks of life in laboratory

NASA scientists studying the origin of life have reproduced uracil cytosine and thymine three key components of our hereditary material in the laboratory They discovered that an ice sample containing pyrimidine exposed to ultraviolet radiation ... - Read More

Breakthrough in energy harvesting could power 'life on Mars'

Martian colonists could use an innovative new technique to harvest energy from carbon dioxide thanks to research pioneered at Northumbria University Newcastle The technique which has been demonstrated for the first time by researchers at ... - Read More

The Making of a Geochemist: Q&A with Andrew Stack

interview by Dawn Levy IMAGE 1 2015 P00289CAPTION CREDITAndrew Stack of Oak Ridge National Laboratory calls on his expertise in geology chemistry and computing to advance understanding of the dynamics of minerals underground Image credit ... - Read More

Freeze! Watching alloys change from liquid to solid could lead to better metals

If you put a camera in the ice machine and watched water turn into ice the process would look simple But the mechanism behind liquids turning to solids is actually quite complex and understanding it ... - Read More

First detailed microscopy evidence of bacteria at the lower size limit of life

Scientists have captured the first detailed microscopy images of ultra small bacteria that are believed to be about as small as life can get The research was led by scientists from the U S Department ... - Read More
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