g Abodes - About 13,000 years ago the Earth was struck by thousands of Tunguska-sized cometary fragments over the course of an hour, leading to a dramatic cooling of the planet, according to new research. See article.
g Message - Humanity might want to consider searching for extraterrestrial technologies within our solar system. See paper.
g Cosmicus - Who should explore space: robots or humans? Our ability to travel beyond Earth is hampered by the harsh conditions of space, but rather than let robots have all the fun, could cyborg technology allow humans to make greater strides into the final frontier? See article.
g Learning - Here’s a neat classroom activity courtesy of NASA: Planet Paths. This activity is designed to help middle school students understand that planets travel in nearly circular orbits around the sun and that planetary motion obeys laws defined by Kepler and Newton.
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