Did you hear about the chemist reading the book about helium? He couldn't put it down. Scholars match 12 chemical elements, including helium, to their symbols. Then they complete three Sudoku-style puzzles using these names and symbols...

Let the games grow. Groups play a card game to grow cells. Players start growing cells from stem cells to create specialized cells in the human body. Learners use full-grown cells from the human body to create stem cells in the lab to...