Spirostomum uses a calcium-activated protein network to contract at remarkable speed without conventional muscle fibers. In less than five milliseconds, the aquatic single-celled organism Spirostomum ambiguum can shrink to one quarter of its body length, a movement hundreds of times faster than a human blink. Researchers have now traced that speed to an unusual calcium-activated [...]

A newly identified pest is raising concerns for North Carolina’s blueberry industry. What began as a mystery beneath North Carolina’s blueberry fields has now been traced to a surprising culprit: a giant root-feeding beetle never before confirmed attacking blueberries anywhere else in the United States. Researchers at North Carolina State University have identified the insect [...]