The brown marmorated stink bug has inundated the mid-Atlantic, taking its toll on crops across the region. Researchers are investigating whether a type of parasitic wasp can bring down stink bug numbers. Jeff Wildonger/USDA Beneficial Insect Research Lab hide caption

itoggle caption Jeff Wildonger/USDA Beneficial Insect Research Lab

Bat bugs typically feed on bats. But when no bats are available, these parasitic creatures will happily feed on humans, too. Graham Snodgrass/AFPMB/Flickr hide caption

itoggle caption Graham Snodgrass/AFPMB/Flickr

Researchers say that humpback whales are able to swim in remarkably straight lines during their seasonal migrations. They don't yet know, though, how the whales do it. Kike Calvo/AP hide caption

itoggle caption Kike Calvo/AP

Writer Paul Solotaroff says climate change is putting the ecosystems of our national parks out of balance. Fish And Wildlife Service via AP hide caption

itoggle caption Fish And Wildlife Service via AP

About half of meat and poultry samples nationwide had evidence of S. aureus contamination, a study found. Fuse hide caption

itoggle caption Fuse