The universe’s oldest, brightest beacons may have gorged themselves in the dense, cold, gas flows of the early cosmos — creating a kind of energy drink for infant black holes in the young universe — according to new research by scientists at Yale...
Forming like a blown smoke ring does, a “contractile ring” similar to a tiny muscle pinches yeast cells in two. The division of cells makes life possible, but the actual mechanics of this fundamental process have proved difficult to pin down.Researchers...