World Topics

Aug 7, 2014

Oceans getting more tainted with man-made mercury

Levels of the metal mercury in much of the world’s oceans are double to triple what they were before the Industrial Revolution, a new study says. Researchers found there’s more mercury from human sources — mostly burning fossil fuels and mining for gold — ...

Aug 7, 2014

Study ties new gene to major breast cancer risk

It’s long been known that faulty BRCA genes greatly raise the risk for breast cancer. Now scientists say a more recently identified, less common gene can do the same. Mutations in the gene can make breast cancer up to nine times more likely to ...

Rosetta comet chaser reaches target after 10-year pursuit

Aug 7, 2014

Rosetta comet chaser reaches target after 10-year pursuit

After a journey of 6.4 billion km (4 billion miles), Europe’s unmanned Rosetta probe reached its destination Wednesday, a milestone in mankind’s first attempt to land a spacecraft on a comet. The decade-long trip was successfully completed with a seven-minute thrust that allowed Rosetta ...

U.S. aid workers given experimental Ebola drug

Aug 5, 2014

U.S. aid workers given experimental Ebola drug

Two American aid workers infected with Ebola are getting an experimental drug so novel it has never been tested for safety in humans and was only identified as a potential treatment earlier this year, thanks to a research program by the U.S. government and ...