Dayton Eclipse Frenzy, Milky Way's Magnetic Mysteries, Global Warming Delays Leap Second, Moderna's Flu Vaccine Deal, and more...

(0:10): Dayton Braces for Eclipse Frenzy: 1 Million Visitors, Safety First!(2:08): Magnetic Mysteries Unveiled: Polarized Glimpse of Milky Way's Heart(4:15): Global Warming May Delay "Negative Leap Second" Until 2032(6:08): Moderna Inks $750M Deal with Blackstone for Flu mRNA Vaccine Development(8:12): Sweet Decay: Study Links Modern Diets to Ancient Oral Health WoesTo subscribe visit https://www.brief.news.For more updates in your inbox each morning visit www.brief.news. Image credit: Forbes