Shortly after conception, a fertilized egg divides, becoming two. Then each of those cells splits, becoming four, and on and on. Over time, those lineages of cells grow distinct, giving rise to all the different organs and tissues in the human body
With the push of a red button, a milky-colored liquid sprayed onto a load of corn seed at a warehouse in central Missouri. It was a hint of a revolution underway in American agriculture, driven by a desire to combat climate change while still feedin