World Topics

Dec 17, 2014

Avian flu confirmed in wild birds in Washington

U.S. agriculture officials said Tuesday they have found avian influenza in wild birds in Washington state but there is no immediate public health concern. The Department of Agriculture said separate strains of the H5 virus were identified in a northern pintail duck and a ...

Curiosity rover detects spikes of methane on Mars

Dec 17, 2014

Curiosity rover detects spikes of methane on Mars

NASA’s Mars rover, Curiosity, has detected spikes of methane in the planet’s atmosphere. That suggests something is producing or venting the scientifically tantalizing gas, but no one knows what. Most of Earth’s atmospheric methane comes from animal and plant life, and the environment itself. ...

Pregnancy-related infection killed endangered orca

Dec 17, 2014

Pregnancy-related infection killed endangered orca

An endangered orca found dead off Vancouver Island, British Columbia, earlier this month died after a failed pregnancy caused a bacterial infection, officials said Tuesday. Preliminary necropsy results show the 19-year-old killer whale known as J-32 was pregnant with a nearly full-term female calf ...

Dec 16, 2014

Mosquito-borne dengue targeted by antibody with hope for vaccine

Scientists have discovered new antibodies that neutralize viruses that cause dengue, potentially putting a universal vaccine within reach for a mosquito-borne illness that strikes an estimated 400 million people a year. The antibodies are effective against all four dengue viruses, according to an article ...

Dec 16, 2014

Ancient DNA reveals history of horse domestication

Speed, smarts, and the heart of a champion: using genomic analysis, scientists have identified DNA changes that helped turn ancient horses such as those in prehistoric cave art into today’s Secretariats and Black Beautys, researchers reported Monday. Understanding the genetic changes involved in equine ...

Dec 16, 2014

Ebola toll rises to more than 6,800: WHO

More than 6,800 people have now died from the Ebola virus, almost all of them in West Africa, the World Health Organization said Monday. The U.N. health agency reported that as of Saturday, there had been 18,464 cases of infection from the deadly virus ...