成人快手

The value today of the fossil record linking rising temperature to increased activity of plant-eating insects 55 million years ago. How intense beams of X-rays used to investigate artifacts from the wreck of the Mary Rose, Henry VIII's warship that sank in 1545, and was raised in 1982. Plus, heading to the Antarctic with a shipload of scientists, the search for new Earth-like planets, the role dark matter played in creating the first stars.