Our First Chance to Witness a Comet Hit a Planet

David Levy is an amateur astronomer. He's discovered 21 comets, both as an amateur and as part of a professional team. He recently discovered the comet that will crash into Jupiter on July 16th, and the comet is named after him. In a Smithsonian magazine article, he called this comet "the most cataclysmic event observed in our solar system since the dawn of civilization." Levy is a contributor to many astronomical magazines, and is the author of numerous books on astronomy.

It's estimated that one in 10 women experience endometriosis during their reproductive years, a condition where cells that line the uterus go rogue by moving to other organs, taking root and spreading there, leading to terrible pain. Many women who have the disorder struggle to be properly diagnosed. Bioengineer LINDA GRIFFITH talks about her groundbreaking research into endometriosis.

The Pfizer and Moderna COVID-19 vaccines are the first vaccines to be activated by mRNA — and would not have been possible without the invention of the gene editing technology known as CRISPR. In his new book, The Code Breaker, author Walter Isaacson chronicles the development of CRISPR.