Rattlesnakes silently shook their tails before evolving rattles
Death rattleTristan Savatier/Moment Open/GettyBy Brian OwensShake, rattle and strike. It is possibly one of the most terrifying sounds in the animal kingdom, but how the rattlesnake evolved its chilling warning signal is a mystery. Now a study suggests the rattle evolved long after the tail-shaking behaviour. The evolution of the rattle has baffled...
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