Why mercury is more dangerous in oceans

Even though freshwater concentrations of mercury are far greater than those found in seawater, it's the saltwater fish like tuna, mackerel and shark that end up posing a more serious health threat to humans who eat them.

Hot rocks fire up energy from the depths

(PhysOrg.com) -- Scientists at Newcastle University have completed the first phase of a giant central heating system that will harness heat from deep underground.

Mars was Wet, but was it Warm?

Mars is frozen today, but when it was young there may have been liquid water on its surface. What does the latest evidence indicate about the ancient martian climate? Understanding the past environment of Mars can help future ...

A natural tool to tackle oil spills?

(PhysOrg.com) -- Marine bacteria could be the key to cleaning oil spills in the sea, without further damaging the environment by using chemicals, according to microbiologists at Bangor University.

Microbes answer more questions collectively

Studying whole microbial communities rather than individual micro-organisms could help scientists answer fundamental questions such as how ecosystems respond to climate change or pollution, says Dr Jack Gilbert writing in ...

Cheap hydrogen fuel from seawater may be a step closer

(PhysOrg.com) -- A new catalyst has been developed to generate hydrogen from water cheaply, but the research was originally intended to make molecules that behaved like magnets. Hydrogen is a clean power source currently ...

S.Korea completes world's longest seawall

South Korea formally marked completion of the world's longest seawall on Tuesday, the first step in a massive project aimed at reclaiming the ocean for industry, tourism and agriculture by 2020.

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