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
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
"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
David Agus: Is Our Narrow Focus On Cancer Doing More Harm Than Good?
"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
AP Study Finds Viruses Linked To Raw Sewage In Rio De Janeiro Olympic Waters
Debris Found In The Indian Ocean May Be From Missing Malaysia Airlines Jet
Chart showing main ocean currents. American Meteorological Society hide caption
The Ensatina salamander, a lungless species common along the U.S. West Coast, is one of hundreds of species of salamanders endemic to North America threatened by an emerging infectious pathogen. Courtesy of Tiffany Yap hide caption
Wednesday
A Google Street View car equipped with Aclima mobile sensors that can track air pollution in real time. Carlo Acenas/Aclima hide caption
A photo released by Virgin Galactic shows a badly injured SpaceShipTwo pilot Peter Siebold drifting under his parachute after last October's accident that destroyed the spacecraft during a test flight. Mark Greenberg/Virgin Galactic hide caption