Science with Sam: What is a black hole? And could you survive one? Ever wondered what a black hole is made of, or what would happen if you fell into one? Science with Sam, a new video series from Âé¶¹´«Ã½, explains… Video
PhysicsThe surprising benefits of contemplating the death of the universeCosmologist Katie Mack spends her days pondering the end of everything. Whether the cosmos dies a slow heat death or winks out of existence tomorrow, she finds it helps put everyday troubles in perspectiveFeatures