You would have thought we could have worked out how the amphibians move around by now. But no, we have not, until two scientists carefully X-rayed the mechanics of the frogs leg. The French have been eating them for so long, you would have thought they would have noticed the dynamic catch mechanism. But no, you never think about the amazing and delicately adjusted mechanism disappearing into your maw.
The mantids earn their popularity from the fearsome triangle of a head while the elegant bodies and displays they give us only add to the mystique. Now the background to that grisly mating habit can be revealed !
When dolphins are 'rescued' in various countries, the car given seems to be ill-considered. We are simply looking at the success rate which is reported to be low, in most places. They could even end up in commercial aquarium shows, but they certainly rarely make it back to the sea.