Budget cutbacks threaten a planned upgrade of the massive Titan supercomputer, seen here, at Oak Ridge National Laboratory. Charles Brooks/Oak Ridge National Laboratory hide caption

itoggle caption Charles Brooks/Oak Ridge National Laboratory
Illustration by Daniel Horowitz for NPR

This riboflavin-rich material can be used to print intricate, microscopic structures in three dimensions. Courtesy of North Carolina State University hide caption

itoggle caption Courtesy of North Carolina State University

NASA's Lunar Atmosphere and Dust Environment Explorer probe, seen in this artist's rendering, is orbiting the moon to gather detailed information about the lunar surface. Dana Berry/NASA hide caption

itoggle caption Dana Berry/NASA

Maybe someday Jerry won't be laughing at George's follicularly challenged scalp. But despite scientific advances there's still no cure for baldness. NBC/NBC via Getty Images hide caption

itoggle caption NBC/NBC via Getty Images

Clostridium difficile, a bacterium that causes severe diarrhea, can be difficult to treat with antibiotics. Stefan Hyman/University of Leicester hide caption

itoggle caption Stefan Hyman/University of Leicester

Researchers excavated the remains of five creatures who lived 1.8 million years ago, including this adult male skull. The excavation site, in Georgia in the former Soviet Union, was home to a remarkable cache of bones. Courtesy of Georgian National Museum hide caption

itoggle caption Courtesy of Georgian National Museum