Allagash Brewing microbiologist and head of quality control Zach Bodah's favorite microscope picture of Brettanomyces (taken in house). The culture comes from Confluence Ale and is a blend of the Allagash house yeast and Brett yeast. Courtesy of Zach Bodah/Allagash hide caption

itoggle caption Courtesy of Zach Bodah/Allagash

An employee of the drug company Apotex, examines some Ciprofloxacin at the plant in Canada. Cipro is commonly given to travelers for diarrhea. More than 20 million Cipro doses are prescribed each year in the U.S. Getty Images hide caption

itoggle caption Getty Images

Close-ups of a curious surface texture on Comet 67P nicknamed "goosebumps," all of them at a scale of around 3 meters and spanning areas more than 100 meters. ESA/Rosetta/MPS hide caption

itoggle caption ESA/Rosetta/MPS

A scorpion fly perches on a leaf at the research farm where Lindgren studied the decomposition of human remains. Scorpion flies are among the first insects to visit a corpse. Courtesy of Natalie Lindgren hide caption

itoggle caption Courtesy of Natalie Lindgren

An example of a human precision grip — grasping a first metacarpal from the thumb of a specimen of Australopithecus africanus that's thought to be 2 to 3 million years old. T.L. Kivell & M. Skinner hide caption

itoggle caption T.L. Kivell & M. Skinner

A frilled shark swims in a tank after being found by a fisherman off Japan's coast in 2007. One of the rare creatures was recently caught in Australia, shocking fishermen. Awashima Marine Park/Getty Images hide caption

itoggle caption Awashima Marine Park/Getty Images

Processing often degrades a GMO ingredient to the point of making its DNA – or anything else that's genetically modified, like proteins — undetectable in the finished product. That's the case, for example, with vegetable oils made from GMO canola or soybeans. Takao Onozato/Corbis hide caption

itoggle caption Takao Onozato/Corbis

Scientists reprogrammed the common bacterium E. coli so it requires a synthetic amino acid to live. BSIP/UIG via Getty Images hide caption

itoggle caption BSIP/UIG via Getty Images