Google used millions of Android phones to map the worst enemy of GPS--the ionosphere
19
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Earth is hiding another planet deep inside
24 votes -
To predict future sea level rise, we need accurate maps of the world's most remote fjords in Greenland and Antarctica
8 votes -
Pay dirt for ice core scientists in East Greenland as they reach bedrock
24 votes -
Researchers find ancient high-energy impacts could have fueled Venus’s volcanism
12 votes -
When Greenland was green: Ancient soil from beneath a mile of ice offers warnings for the future
16 votes -
What are lost continents, and why are we discovering so many?
8 votes