From swinging to swiping: a short history of arms and hands
In that rough-and-tumble of time and change we call evolution, we in the human-line lost some features and gained others, most noted is our upright posture and big brain. Less celebrated is the fact that as a result of our standing upright on two legs, we got a loose, liberated set of forelimbs and hands. With time these freed upper limbs were to perform functions never seen before in the animal-dom. By comparison our common ancestor, uncannily similar to the present-day chi
Taller in the morning? The secret of the midnight-drinkers
If you ever happened to measure yourself in the evening and then again the following morning, you may find that you had gained a bit of height overnight. Strange but true. Even after we have reached our maximum adult height, when our bones are no longer developing or lengthening, there are changes. The changes are fluctuations occurring on a daily basis; we are often shorter in the evening than we were that same morning. could it be that we are shorter in the evening and yet
