NASA is working on a new instrument for the International Space Station that will create a 3-D map of the Earth’s forests, in order to measure the role of trees in scrubbing carbon from the atmosphere.
The new instrument will use lidar, a laser system for measuring distance between the space-based instrument and the surface. Called the Global Ecosystem Dynamics Investigation (GEDI) lidar, the system will be put together at NASA’s Goddard Space Flight Center in Greenbelt, Md.
True to its name, the whitetip reef shark sports shiny white tips on its dorsal and caudal fins. It enjoys nosing about in reef neighborhoods, and would rather cruise shallower waters not much deeper than 100 feet, but it can also be found venturing out into open waters of the ocean. It’s most commonly found among the coral reefs of the Pacific and Indian oceans.
There was mournful news out of Sweden with the announcement that the world’s oldest known European eel had passed away recently at the age of 155, after living through two world wars, the Cold War, disco, punk, grunge, and the advent of the Internet. Read more