Alaska's 1964 earthquake lifted parts of the seafloor high enough to create new freshwater ponds, and marine sticklebacks moved into them; within 50 years the fish had evolved almost as far from their ocean ancestors as freshwater populations thousands of years older
Scientists looked inside a rock pellet smaller than a grain of rice and found a 445-million-year-old world preserved within it — more than 20 microscopic marine organisms, including a species never seen before