Money is a sticking point in climate-change negotiations around the world. As economists warn that limiting global warming to 1.5 degrees Celsius will cost many more trillions than anticipated, WSJ ...
A structure much like a liquid crystal allows the shell of a scarab beetle to circularly polarize light, scientists in the US have discovered. Mohan Srinivasarao of the Georgia Institute of Technology ...
The parrot's brain has a nested 'core and shell' structure for vocal learning. Neurons in the shell surrounding the established vocal centers of the parrot brain play a part in vocal learning and ...