World Topics

Jul 30, 2014

Liberians in U.S. worry about Ebola outbreak

An outbreak of Ebola in West Africa may seem like a distant threat to many Americans, but it is stirring fear in Minnesota, home to thousands of Liberian immigrants. The potentially Ebola-related death last week of a Liberian government official whose wife and children ...

Fist bumps less germy than handshakes, researchers say

Jul 29, 2014

Fist bumps less germy than handshakes, researchers say

When it comes to preventing the spread of germs, maybe President Obama is on to something with his fondness for fist bumps. The familiar knocking of knuckles spreads only one-twentieth the amount of bacteria that a handshake does, researchers report. That’s better than a ...

Jul 28, 2014

Geneticists offer clues to better rice, tomato crops

Scientists on Sunday laid bare the genetic codes of African rice and a type of wild tomato, data they said should help breed more resilient crops. Teams detailed the genome sequences of the two plant species in separate papers in the journal Nature Genetics. ...

Ebola claims senior doctor in Liberia

Jul 28, 2014

Ebola claims senior doctor in Liberia

One of Liberia’s most high-profile doctors has died of Ebola, a government official said Sunday, as an American doctor was treated in the West African country after contracting the disease, highlighting the risks facing health workers trying to combat the spread of the deadly ...

Jul 27, 2014

U.S. plans widespread seismic testing of seafloor

The U.S. government is planning to use sound blasting to conduct research on the ocean floor along most of the East Coast, using technology similar to that which led to a court battle by environmentalists in New Jersey. The U.S. Geological Survey plans to ...

Nigeria death shows Ebola can spread by air travel

Jul 27, 2014

Nigeria death shows Ebola can spread by air travel

Nigerian health authorities raced to stop the spread of Ebola on Saturday after a man sick with one of the world’s deadliest diseases brought it by plane to Lagos, Africa’s largest city with 21 million people. The fact that the traveler from Liberia could ...

Jul 27, 2014

U.S. doctor in Africa tests positive for Ebola

An aid organization says a U.S. doctor working with Ebola patients in Liberia has tested positive for the deadly virus. Samaritan’s Purse issued a news release Saturday saying Dr. Kent Brantly was being treated at a hospital in Monrovia, the capital. Brantly had been ...

Genetic mapping triggers new hope on schizophrenia

Jul 27, 2014

Genetic mapping triggers new hope on schizophrenia

Scientists have linked more than 100 spots in our DNA to the risk of developing schizophrenia, casting light on the mystery of what makes the disease tick. Such work could eventually point to new treatments, although they are many years away. Already, the new ...