World News Science Scientists Discover 120,000-Year-Old Human Footprints In Saudi Arabia 3:58pm September 18, 2020 Middle East World Research News Science History Share URL copied to clipboard! Copyright 2020 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered National Protesters rally against Trump policies across the U.S. by Emily Feng World News As Trump tries for Ukraine-Russia deal, public opinion on conflict shifts by Mara Liasson 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate