If you or I tried to swivel our head round by 270 degrees, we'd cut off the blood supply to our brains and pass out - or worse. But owls manage it: and now scientists have worked out how.
Whole genome sequencing as a method of predicting disease risks isn't as informative as thought, a study of thousands of identical twins has found.
Large numbers of US hospitals are misleading patients about the so-called benefits of robotic surgery, with many making wholesale use of material provided by manufacturers.
In Eternal Sunshine of the Spotless Mind, two people undergo a procedure to erase the memory of one another from their minds. And now love-lorn mice, at least, can experience the same relief from upsetting memories.