Fish for sale in the fish market in Fraserburgh, Scotland. Ari Shapiro/NPR hide caption

itoggle caption Ari Shapiro/NPR

Should chimps have the same legal rights as these lawyers? Steven Wise, president of the Nonhuman Rights Foundation, who is representing research chimps Hercules and Leo, says yes. Assistant Attorney General Christopher Coulston disagrees. They both made their arguments Wednesday in Manhattan State Supreme Court in New York. Richard Drew/AP hide caption

itoggle caption Richard Drew/AP

One of these things is not like the other: A 3-D printed model of a beige cowbird egg stands out from its robin's egg nest mates, though their shape and heft are similar. Ana Lopez/Courtesy of Mark Hauber hide caption

itoggle caption Ana Lopez/Courtesy of Mark Hauber

Surfer Alexis Gazzo (left) is helping train specialized lifeguards who will survey the waters around popular beaches in Reunion for sharks. Shark attacks have gone up sharply along the coast of the Indian Ocean island, with seven people killed in recent years. Emma Jacobs for NPR hide caption

itoggle caption Emma Jacobs for NPR

Plankton collected in the Pacific Ocean with a 0.1mm mesh net. Seen here is a mix of multicellular organisms — small zooplanktonic animals, larvae and single protists (diatoms, dinoflagellates, radiolarians) — the nearly invisible universe at the bottom of the marine food chain. Christian Sardet/CNRS/Tara Expeditions hide caption

itoggle caption Christian Sardet/CNRS/Tara Expeditions

This fungus among us — baker's yeast, aka Saccharomyces cerevisiae — is useful for more than just making bread. iStockphoto hide caption

itoggle caption iStockphoto

Men in hazardous materials suits load dead poultry to be buried at Rose Acre Farms Inc., just west of Winterset, Iowa, on May 11. John Gaps III/AP hide caption

itoggle caption John Gaps III/AP

The White House announced an action plan Tuesday aimed at reversing dramatic declines in pollinators like honeybees, which play a vital role in agriculture, pollinating everything from apples and almonds to squash. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

The most recent common ancestor of all today's snakes likely lived 120 million years ago. Scientists believe it used needle-like hooked teeth to grab rodent-like creatures that it then swallowed whole. Julius Csotonyi/BMC Evolutionary Biology hide caption

itoggle caption Julius Csotonyi/BMC Evolutionary Biology

NOAA Fisheries biologist Nick Wegner holds an opah caught during a research survey off the California coast. Researchers say the opah is the first fish known to be fully warmblooded, circulating heated blood throughout its body. NOAA/Reuters/Landov hide caption

itoggle caption NOAA/Reuters/Landov