Scientists at the National Microbiology Lab in Winnipeg, Manitoba, prepare an experimental Ebola vaccine for shipment to the World Health Organization (WHO) in Geneva in this undated handout picture released October 18, 2014.
A woman walks pass an Ebola virus awareness campaign poster in Monrovia, December 8, 2014. More foreign health workers are needed to help tackle the Ebola epidemic, which is spreading quickly in western Sierra Leone and deep in the forested interior of Guinea, a senior U.
A man flicks ashes from his cigarette over a dustbin in Shanghai January 10, 2014. China is considering raising cigarette prices and taxes, a health official said on Wednesday, as the world's largest tobacco consumer fights to stub out a pervasive habit.
Employees work at a KFC store in Shanghai, July 29, 2014. KFC has a message for Chinese diners worried about eating their fried chicken after a safety scare at the fast food chain: come see how we operate for yourself.
In North Korea, hackers are a handpicked, pampered elite Despite its poverty and isolation, North Korea has poured resources into a sophisticated cyber-warfare cell called Bureau 121, defectors from the secretive state said as Pyongyang came under the microscope for a crippling hack into computers at Sony Pictures Entertainment.
Japanese asteroid probe sets off on six-year journey A Japanese space probe named after a falcon blasted off on Wednesday, setting off on a six-year round trip to an asteroid for samples that scientists hope will help reveal the origins of life.
New NASA spaceship nails debut test flight CAPE CANAVERAL, Fla. - A U. S. spaceship designed to one day fly astronauts to Mars made a near-bullseye splashdown in the Pacific Ocean on Friday, wrapping up a flawless, unmanned debut test flight around Earth.
An ambulance carrying an Italian doctor, who contracted Ebola while working in Sierra Leone, arrives at the Lazzaro Spallanzani infectious diseases institute in Rome November 25, 2014.
Felix Baez, a member of the International Contingent Brigade 'Henry Reeve', who was infected with Ebola in Sierra Leone, speaks during a news conference in Havana December 6, 2014.
The smoke trail from the launch of the space shuttle Discovery STS-131 is illuminated by the rising sun at the Kennedy Space Center in Cape Canaveral, Florida April 5, 2010.
A mock soldier's helmet is displayed on the Bosworth Battlefield where it is thought King Richard III lost his life near Market Bosworth, central England February 5, 2013.
Tourists stand on the original Apollo 1 launch pad overlooking the Delta IV Heavy rocket with the Orion spacecraft on Space Launch Complex 37B pad at the Cape Canaveral Air Force Station in Cape Canaveral, Florida December 1, 2014.
A Novartis logo is pictured on its headquarters building in Mumbai February 6, 2014. There is no evidence that Novartis's flu vaccine Fluad caused serious events including deaths in Italy, experts at the European Medicines Agency said on Wednesday.
The Herbalife logo is seen on a building housing some of their offices in downtown Los Angeles, California April 28, 2013. Herbalife will report their earnings on April 29.
A general view of Emory University Hospital in Atlanta, Georgia August 1, 2014. A U. S. healthcare worker who had been in West Africa and may have been exposed to the Ebola virus is being transferred to Emory University Hospital in Atlanta, a hospital spokeswoman said on Wednesday.
U.S. President Barack Obama speaks next to Ebola response coordinator Ron Klain (L) as he hosts a meeting with his Ebola response team in the Roosevelt Room of the White House in Washington, November 18, 2014.
The logo of Samsung Electronics is seen at the company's headquarters in Seoul July 6, 2012. South Korea's Samsung Electronics Co Ltd plans to launch a new sub-$100 smartphone running on its own Tizen operating system in India later this month, South Korea's Maeil Business Newspaper said on Monday.