g ABODES - A new study could shed light on the composition of exoplanets. By studying the abundance of elements in stars, researchers have shown that there are a wide variety of planetary systems that are unlike the Solar System. Ultimately, this could affect processes like plate tectonics on any planets they host. See article.
g LIFE - A new study indicates that periodic uplifting of the Earth's continents could be linked to booms and busts in marine biodiversity over the past 500 million years. See article.
g LEARNING - Astrobiology has the "-ology" suffix suggestive of a codified science, but things aren't quite so black and white. For one thing, it's tough to study life beyond Earth when we haven't found it, and because of this inconvenient detail, astrobiology, for all its extraterrestrial grandiosity, is actually a very Earth-centric field. See article.
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