In
its 10th year of existence, Guajardo's nonprofit development organization in Texas is run entirely by college - educated locals, and the school districts which it helps are seeing significant increases in graduation rates and college matriculation.
Assuming this process has been going on for all 4.5 billion
years of Earth's
existence, the researchers say that all known ultralow - velocity zones could have been formed in this manner, even if just 100 billion pounds (45 billion kg)
of water — one -
10th of all the oceanic water on Earth — reacted with iron each
year.