Are you irresistible to mosquitos? We all know someone who gets covered in bites every time they venture outside. Why are some of us so much tastier than others? The deadliest animals Only female mosquitos bite: they need the protein that comes from a blood meal to make their eggs. But there are thousands of species of mosquito, and they have different ideas about who and what is tasty. Some prefer birds, some frogs, some […]
I remember being told in primary school that no one else on the planet had exactly the same fingerprints as me. Pretty powerful stuff for a seven year old. Patterns that were uniquely mine and that I’d never really looked at before, despite the fact they had been part of me since before I was born. But is it true? Are each of your fingerprints truly one of a kind?
A couple of weeks ago I asked students in one of my classes whether they were early risers or night owls. Almost all identified as one or the other. But is either being up at dawn or burning the midnight oil simply habit, or is something else going on?
Why call a valued assistant a ‘right-hand man’? Why does an awkward dancer have ‘two left feet’? And why, in times gone by, were left-handers thought to be possessed by the devil? Throughout the ages left-handers have been stigmatised and persecuted. But it turns out ‘handedness’ is determined before you even leave the womb.