Mercury 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.

Three dangerous climate chemicals

A new study provides new information about the rates at which three of the most powerful greenhouse gases are destroyed by a chemical reaction that takes place in the upper atmosphere.

Dangerous drug interactions often missed

Research has found that medication prescribers correctly identified fewer than half of drug pairs with potentially dangerous drug-drug interactions.

Lack of sleep more dangerous for women

Women who get less than the recommended eight hours sleep a night are at higher risk of heart disease and heart-related problems than men with the same sleeping patterns.

Hiding dangerous DNA segments

Scientists report that Chp1, a histone-binding protein, helps recruit molecular machinery that establishes heterochromatin 'silencing' domains.

Dangerous fungus identified

Scientists have provided the first description of a fungus responsible for the wilt of redbay trees along the coasts of the US.





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