Alex Williams (right) trains younger cadets to sky-dive. Williams started at the Air Force Academy at what he calls "the young but old age of 20" after serving in an Air Force honor guard for two years. Tom Kimmell/Courtesy of The Hechinger Report hide caption
President Trump poses with Liberty University President Jerry Falwell Jr., during commencement at Liberty University May 13 in Lynchburg, Va. Alex Wong/Getty Images hide caption
Paul Miller shares a joke with his grandson, Max. They play poker together, but as a numbers guy, Miller is hard to beat. LA Johnson/NPR hide caption
According to a new study, among families in the middle socioeconomic group the older, September-born kids were 2.6 percentage points more likely to attend college and 2.6 percentage points more likely to graduate from an elite university. Rawpixel Ltd./Getty Images/iStockphoto hide caption
An MS-13 gang member at a prison in Salvador. As the gang spread from Central America to the U.S., authorities say its symbols became more subtle. Luis Romero/AP hide caption
Kyle Quinn, an assistant professor of biomedical engineering at the University of Arkansas, was wrongly identified on social media as a participant in a white supremacist march in Charlottesville, Va. Jennifer Mortensen hide caption
Protesters hold signs and chant at a rally for DACA in Washington, D.C. LA Johnson/NPR hide caption
In December, a Texas A&M student signs a message board ahead of an "Aggies United" event in response to a speech by white separatist Richard Spencer. Spencer was scheduled to return to the school for a "White Lives Matter" rally on Sept. 11. David J. Phillip/AP hide caption
Four-year-old Leo Griffin leaves a Chicago protest against the alt-right movement held to mourn the victims of Charlottesville, Va. Scott Olson/Getty Images hide caption
Linda Cliatt-Wayman on the TED stage. Marla Aufmuth/TED hide caption
Would you want your child to become a teacher rather than a lawyer?...What we learned from PISA is that in high-performing education systems, leaders have convinced their citizens to make choices that value education, their future, more than consumption today. - Andreas Schleicher James Duncan Davidson/James Duncan Davidson / TED hide caption
How many Noble Prizes, how many cures to cancer, how many solutions to our energy challenges are locked in the minds of people who will never go anywhere near the scientific fields because they were so intimidated...when they were in formal education? - Tyler DeWitt Ramy Nassar/TED hide caption
Sal Khan on the TED stage. James Duncan Davidson/TED hide caption
