Best known for inventing the game of Life, John H. Conway is adept at finding the theorems hidden in simple puzzles
Scientists have found a major factor that controls whether a cell dies or thrives
A new screening tool may supercharge materials science
Find answers to the mathematical and logical challenges posed in the article's "Test Yourself" box
Which is larger: the number of Legos needed to build a life-size Egyptian pyramid or the number of trees on the earth? Test your estimation and calculation skills. Go to www.ScientificAmerican.com/may2016/epic-math...