LifeAncient comb jelly had more complex nerves than its modern relatives A 500-million-year-old comb jelly is so well-preserved that it’s possible to see it had a nervous system more complex than that of modern comb jellies News
Life58-million-year-old footprints show when mammals began paddling in sea A set of 58-million-year-old footprints suggest hippo-like mammals were living by the sea millions of years before one group of mammals became whales News