Genes are molecules. Evolution is caused by the replication, variation, and selection of genes. For life to begin on Earth, the geology of the...
(Here’s the missing Episode 26.) The principles of modern theatre let actors create realistic human behavior onstage consistently. That means all human behavior. The...
Science today depends on the same five steps of observation, self consistency, universality, reproducibility, and debate as it did 500 years ago. But how...