Use 'semantic gradients' to turn vocabulary study into a shared thinking activity that explores the subtle differences ...

Nescience, a word from Latin, means ignorance or lack of knowledge. It describes a state of unawareness. Understanding such ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...