Understanding how a cell becomes a person, with math

Credit: Shutterstock We all start from a single cell, the fertilized egg. From this cell, through a process involving cell division, cell differentiation and cell death a human being taking shape, ultimately made up of over 37 trillion cells across hundreds or thousands of different cell types. While we broadly understand many aspects of this … Read more

Seeing James Webb Space Telescope’s 1st photos in person

GREENBELT, Md. — It’s 9:30 am, and I’m in a crowded auditorium at NASA’s Goddard Space Flight Center. Suddenly I hear, “Go, Webb, go!” and look up to see a group of people on the stage, some holding sparkly golden pom-poms, others cardboard hexagons covered in gold foil. They are the cheerleaders of the James … Read more