Ocean oddities: ghost ships

As long as a boat stays afloat, it can still keep moving, even if there is no one onboard. For vessels abandoned at sea, currents and winds become captain and crew. With that endless kinetic energy to drive them, and a vast, often empty ocean to roam, the ghost ships may eerily sail on indefinitely.

Half of the world’s beaches could disappear by the end of the century, study finds

Climate change poses an existential threat to the world’s sandy beaches, and that as many as half of them could disappear by the end of the century, a new study has found. The study was published Monday in the scientific Journal Nature Climate Change and was conducted by scientists from the European Commission’s Joint Research Center, as well as universities in Spain, Portugal and the Netherlands.