Think of human relationships as entanglements. How do they bind you; how do they reveal who you really are? Daniel Horowitz for NPR hide caption

itoggle caption Daniel Horowitz for NPR

Augustine Goba (right) heads the laboratory at Kenema Government Hospital in Sierra Leone. He and colleagues analyzed the viral genetics in blood samples from 78 Ebola patients early in the epidemic. Stephen Gire/AP hide caption

itoggle caption Stephen Gire/AP

Genetically modified rice plants are shown in a lab in 2006. A new report from Pew Research shows a wide gap between perceptions of safety of GM foods between scientists and the general public. Rich Pedroncelli/AP hide caption

itoggle caption Rich Pedroncelli/AP

Environmental groups cited Wendy's as "Poor" in the area of packaging sustainability. One reason is that the chain still uses black plastic bowls, which cannot be recycled. Lynne Sladky/AP hide caption

itoggle caption Lynne Sladky/AP

Nobel Prize-winning physicist Charles Townes was single-minded about a lot of things, colleagues say. And also a very nice guy. Julian Wasser/The LIFE Images Collection/Getty hide caption

itoggle caption Julian Wasser/The LIFE Images Collection/Getty

Can you find Australia and Canada? The cartogram, made by Reddit user TeaDranks, scales each country's geographic area by its population. (Click through to see the high-resolution map.) TeaDranks/via Imgur hide caption

itoggle caption TeaDranks/via Imgur

Research into how the human brain develops helps explain why teens have trouble controlling impulses. Leigh Wells/Ikon Images/Corbis hide caption

itoggle caption Leigh Wells/Ikon Images/Corbis

Clean Water Services held a brewing competition in Sept. 2014, inviting 13 homebrewers to make beer from its purified wastewater (as well as water from other sources). Now the company is asking the state for permission for brewers to use its wastewater product exclusively to make beer. /Courtesy of Clean Water Services hide caption

itoggle caption /Courtesy of Clean Water Services

Cattle in holding pens at the Simplot feedlot located next to a slaughterhouse in Burbank, Washington on Dec. 26, 2013. Merck & Co Inc is testing lower dosages of its controversial cattle growth drug Zilmax drug in an effort to resume its sales to the $44 billion U.S. beef industry. Ross Courtney/Reuters/Landov hide caption

itoggle caption Ross Courtney/Reuters/Landov