Native American lands contain 30% of the nation's coal, 50% of its uranium and 20% of its natural gas, as well as copper, lithium and rare earth elements.
These changes aren't permanent - the brain goes gradually back to normal after coming back to Earth. Understanding the physical effects of spaceflight helps plan space missions.
The reasons colleagues stay silent when co-workers are mistreated may not be what you assume and it's not what companies typically spend money on in their efforts to create a fair environment.
The electoral system used by many global democracies eliminates gerrymandering and has been shown to give more equal representation to minorities and women.
Washington's fundamental character as a military leader was forged in the Ohio River Valley, where he also inadvertently helped ignite the French and Indian War.