How do fingers snap?

Humans have been snapping fingers for thousands of years – records of finger clicking go back to ancient Greece, and it likely happened long before that. But how does finger snapping actually work? A team of US researchers have discovered it has a lot to do with the friction of finger pads. “For the past … Continue reading How do fingers snap?

Taste by touch is all in the suckers

An octopus can “taste by touch” thanks to the suction-cup-like suckers along each of its eight tentacles. But how does that work? There have been a number of studies into the biomechanics of the process, but now a team at Harvard University in the US has taken a look at the molecular level. In a … Continue reading Taste by touch is all in the suckers