Life is full of aches and pains, some more serious than others. But no matter where your ailment is on the spectrum of minorly annoying to holy-cow-I-can't-live-with-this-one-second-longer, there's ...

A study of adaptive immunity in sea lampreys — a type of jawless vertebrate from which jawed vertebrates diverged around 500 million years ago — has shown the evolution of a common solution to the ...