Whether you live in the city or the countryside can affect your health and susceptibility for disease. Jason Hawkes/Corbis hide caption
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Friday
The commercial space ship, pictured here in an earlier test flight, crashed in the California desert. Mark Greenberg/Virgin Galactic hide caption
Lava near the leading edge of the flow oozes over a concrete slab and toward a tangerine tree before solidifying near the town of Pahoa on the Big Island of Hawaii earlier this week. U.S. Geological Survey/AP hide caption
Stringy particles of Ebola virus (blue) bud from a chronically infected cell (yellow-green) in this colorized, scanning electron micrograph. NIAID/Science Source hide caption
Thursday
Don't look for leading Ebola researchers at the Sheraton New Orleans. Louisiana health officials told doctors and scientists who have been in West Africa not to come to a medical meeting in town. Prayitno/Flickr hide caption
Ebola Researchers Banned From Medical Meeting In New Orleans
Confused about all the different sustainability ratings out there? The simplest option may be to shop at your local farmer's market. iStockphoto hide caption
Wednesday
The headquarters of Monsanto, near St. Louis, Mo. Monsanto is the world's largest seed supplier. Juliette Michel/AFP/Getty Images hide caption
The Orbital Sciences Corporation Antares rocket suffers a catastrophic anomaly moments after launch at NASA's Wallops Flight Facility in Virginia on Tuesday. Joel Kowsky/AP hide caption
Tuesday
Farms outside Baghdad as seen from a U.S. Army Blackhawk helicopter. Much of Iraq's soil has a high salt content because of flooding and poor drainage. Jim Gordon/U.S. Army Corps of Engineers/Flickr hide caption
Magnified 25,000 times, this digitally colorized scanning electron micrograph shows Ebola virus particles (green) budding from an infected cell (blue). CDC/NIAD hide caption
A geologist maps the margin of the lava flow in the open field below Cemetery Road near the town of Pahoa on the Big Island of Hawaii. Dozens of residents from the village may be forced to evacuate. AP hide caption
The Case Against Mandatory Ebola Quarantines For Health Workers
Monday
Caltech biochemical engineer Frances Arnold was awarded a National Medal of Technology and Innovation by President Obama in 2013. Jason Reed/Reuters/Landov hide caption