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What Is Life? Its Vast Diversity Defies Easy Definition.
Scientists have struggled to formulate a universal definition of life. Is it possible they don’t need one?
The Brain Reshapes Our Malleable Senses to Fit the World
How does experience alter our perceptions? This adapted book excerpt from We Know It When We See It describes how the brain’s visual system rewires itself to make the best use of its neural resources.
Usain Bolt’s Split Times and the Power of Calculus
Just how fast can the fastest human run? This adapted book excerpt from Infinite Powers reveals how calculus helps us investigate the nature of motion and change.