Millions of purple marsh crabs are churning through salt marshes along the East Coast, significantly disrupting the storage of carbon within these ecosystems. The small crabs' constant burrowing ...

The branching coral technique. Cuttlefish used this 12 percent more often when hunting purple mangrove crabs, which were better armed and armored than other crabs.CreditCredit...Matteo Santon ...

Purple sweet potatoes are just as nutritious ... roll that's much healthier than the usual version with imitation crab. Read ...