Buttercups focus light to heat their flowers and attract insects
Nigel Cattlin/FLPA BUTTERCUPS have a trick for warming their flowers that may be unique to this group of plants. Inside each flower petal, special cells create two layers of air that deflect the light reaching them sideways. This makes the petals act together like a parabolic reflector, focusing visible and infrared light on the flower centre. “The...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark