Like lymph nodes, the structures have infection-fighting immune B cells in the middle and tumor-killing immune T cells on the outside. "We wanted to learn what these structures are doing." ...

Ethereum co-founder Vitalik Buterin said the network’s next upgrade, called “The Verge,” is designed to make Ethereum more secure and accessible, allowing its nodes to run on devices as ...

An umbilical hernia occurs at the umbilicus (belly button) when a loop of intestine pushes through the umbilical ring, a small opening in a fetus’ abdominal muscles through which the umbilical ...