大象传媒

The Yangtze River freshwater dolphin may be the first large vertebrate to become extinct in 50 years. A study of bluefin tuna in northern European waters shows it to be "commercially extinct". How the length of heatwaves in western Europe has doubled and the number of hot days dramatically increased since 1880. The people of Montserrat who want to go back to their homes after the volcanic eruption. Plus, levitating tiny objects, and how fingerprints give away much more than our identity.