Unexpected allies help bacteria clean uranium from groundwater
(Phys.org) —Since 2009, SLAC scientist John Bargar has led a team using synchrotron-based X-ray techniques to study bacteria that help clean uranium from groundwater in a process called bioremediation. ...
New, high-resolution global ocean circulation models identify trigger for Earth's last big freeze
For more than 30 years, climate scientists have debated whether flood waters from melting of the enormous Laurentide Ice Sheet, which ushered in the last major cold episode on Earth about 12,900 years ago, ...
Fresh water from rivers and rain makes hurricanes, typhoons, tropical cyclones 50 percent more intense
An analysis of a decade's worth of tropical cyclones shows that when hurricanes blow over ocean regions swamped by fresh water, the conditions can unexpectedly intensify the storm. Although the probability ...
Saltwater boosts microbial electrolysis cells to cleanly produce hydrogen
A grain of salt or two may be all that microbial electrolysis cells need to produce hydrogen from wastewater or organic byproducts, without adding carbon dioxide to the atmosphere or using grid electricity, ...
New study argues against conclusion that bacteria consumed Deepwater Horizon methane
A technical comment published in the current (May 27) edition of the journal Science casts doubt on a widely publicized study that concluded that a bacterial bloom in the Gulf of Mexico consumed the methane discharged from t ...
New entropy battery pulls energy from difference in salinity between fresh water and seawater
Report casts world's rivers in 'crisis state'
(PhysOrg.com) -- The world's rivers, the single largest renewable water resource for humans and a crucible of aquatic biodiversity, are in a crisis of ominous proportions, according to a new global analysis.
New gadget for water purification: a 'nano tea bag'
Crocodiles ride ocean currents to travel the high seas
University of Queensland ecologists have unlocked the mystery of how salt-water crocodiles cross large stretches of the sea despite being poor swimmers - they like to surf.
Hydrokinetic proposal for Mississippi river
Study finds climate link to atmospheric-river storms
(Phys.org) —A new NASA-led study of atmospheric-river storms from the Pacific Ocean may help scientists better predict major winter snowfalls that hit West Coast mountains and lead to heavy spring runoff ...
Nitrogen fertilizer remains in soils and leaks towards groundwater for decades
Nitrogen fertilizer applied to crops lingers in the soil and leaks out as nitrate for decades towards groundwater – "much longer than previously thought," scientists in France and at the University of Calgary ...
Research shows how females choose the 'right' sperm
University of East Anglia scientists have revealed how females select the 'right' sperm to fertilize their eggs when faced with the risk of being fertilized by wrong sperm from a different species.
Shrinking glaciers won't affect South Asia water availability: study
Glacier systems that feed two key rivers in South Asia will badly retreat this century, but demands for water are still likely to be met, a study predicted on Sunday.