Reconstructing the rise of life during the period of Earth's history when it first evolved is challenging Earth's oldest sedimentary rocks are not only rare but also almost always altered by hydrothermal and tectonic activity ... - Read More
On the continental margins where the seafloor drops hundreds of meters below the water's surface low temperatures and high pressure lock methane inside ice crystals Called methane hydrates these crystals are a potential energy source ... - Read More
An increase in aridity due to global warming will disturb the balance of nutrients in the soil and reduce productivity of the world's drylands which support millions of people a landmark study predicts The research ... - Read More
Beavers reshape landscapes with their dams Wolves control elk populations Sea otters protect kelp forests by eating sea urchins These are what ecologists call keystone species critters that control an ecosystem and have a disproportionate ... - Read More
Although long thought to be devoid of life the bottom of the deep ocean is now known to harbor entire ecosystems teeming with microbes Scientists have recently documented that oxygen is disappearing from seawater circulating ... - Read More
Invasive species are among the world's greatest threats to native species and biodiversity Once invasive plants become established they can alter soil chemistry and shift nutrient cycling in an ecosystem This can have important impacts ... - Read More
Teams of international scientists have decrypted the effectiveness of two types of bacteria which could be used in the future to help combat oil spill disasters According to a report written by scientists from the ... - Read More
This month it will be exactly five years ago that Hurricane Ike caused enormous damage in and around Houston and Galveston in the US state of Texas With more than $38 billion in damage and ... - Read More
As the climate changes and oceans' acidity increases tiny plankton seem set to succeed An international team of marine scientists has found that the smallest plankton groups thrive under elevated carbon dioxide CO2 levels This ... - Read More
Carbon markets and related international schemes that allow payments to landholders for planting trees sometimes called carbon farming are intended to support sequestration of carbon from the atmosphere But they will have harmful effects such ... - Read More
Nijmegen microbiologists have shown that the rare earth metal Cerium is essential for the methane oxidizing bacteria which they discovered in 2007 in an Italian hot acid volcanic mudpot It is the first time that ... - Read More
University of Michigan researchers today released seven technical reports that together form the most comprehensive Michigan focused resource on hydraulic fracturing the controversial natural gas and oil extraction process commonly known as fracking The studies ... - Read More
Although microbes that live in the so called dark ocean below a depth of some 600 feet where light doesn't penetrate may not absorb enough carbon to curtail global warming they do absorb considerable amounts ... - Read More
Research by scientists at The University of Manchester and Lancaster shows maintaining healthy soil biodiversity can play an important role in optimising land management programmes to reap benefits from the living soil The findings published ... - Read More
Levels of carbon dioxide in the atmosphere rise and fall each year as plants through photosynthesis and respiration take up the gas in spring and summer and release it in fall and winter Now the ... - Read More
In 2003 Central and Southern Europe sweltered in a heatwave that set alarm bells ringing for researchers It was one of the first large scale extreme weather events which scientists were able to use to ... - Read More
In an international collaborative project scientists have recorded the times places and concentrations of oceanic plankton occurrences worldwide Their data has been collected in a global atlas that covers organisms from bacteria to krill Oceans ... - Read More
Under the microscope they look like they could be from another planet but these microscopic organisms inhabit the depths of our oceans in nearly infinite numbers To begin to identify where when and how much ... - Read More
form molecules of three carbon atoms during photosynthesis and they tend to photosynthesize more as atmospheric CO2 rises C4 plants form molecules of four carbon atoms But for C4 plants photosynthesis is saturated with CO2 ... - Read More
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