News tagged with seawater

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.

dateJun 27, 2010 in Earth Sciences
shares0 comments 0

A motley collection of boneworms (w/ Video)

( -- It sounds like a classic horror story -- eyeless, mouthless worms lurk in the dark, settling onto dead animals and sending out green "roots" to devour their bones. In fact, such worms do exist in the deep ...

dateNov 10, 2009 in Plants & Animals
shares0 comments 1