A woman receives the rVSV-ZEBOV Ebola vaccine at a clinical trial in Conakry, Guinea. The vaccine appears effective after only one shot. Cellou Binani/AFP/Getty Images hide caption
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Friday
As Beijing Prepares To Host Winter Olympics, Where Will It Get The Snow?
Planned Parenthood Controversy Raises Questions About Fetal Tissue Research
As The West Craves Drought Relief, El Nino May Do More Harm Than Good
As Midwest Dams Reach End Of Life, Soaked States Can't Handle Repair Costs
"The goal of me as a cancer doctor is not to understand cancer ... the goal is to control cancer," says Dr. David Agus. Courtesy of TED hide caption
Healthy diets help prevent, even reverse, some health conditions. Dr. Dean Ornish believes it can also do the same for cancer. Courtesy of TED hide caption
"We have 21st-century medical treatments and drugs to treat cancer, but we still have 20th-century procedures and processes for diagnosis," says Jorge Soto. James Duncan Davidson/TED hide caption
Dr. Jay Bradner believes open-source research is necessary in the fight against cancer. Courtesy of TED hide caption
People are silhouetted against a nearly full moon as they ride an attraction at Worlds of Fun amusement park Thursday in Kansas City, Mo. July 31 marks the second full moon of the month, a rare occurrence that has come to be known as a "blue moon." Charlie Riedel/AP hide caption
Thursday
Chimps still aren't considered people. Brandon Wade/AP Images for The Humane Society of the United States and Chimp Haven hide caption
Mineral supplements, ape-style: A female chimp called Kana eats clay in the Budongo Forest of Uganda. A.Schel/Budongo Conservation Field Station/Animal Ecology, Utrecht University, The Netherlands hide caption