The science behind fall's brilliant colors

Today on CNN10: We'll learn about the latest high-profile visit to the White House, after President Donald Trump hosted Saudi Araiba's Crown Prince Mohammed bin Salman. Then, we'll see how a hugely popular online game is safeguarding young users with A.I.-powered age verification. Plus, we'll take a field trip in CNN's own backyard to learn the science behind why leaves change color in the fall. All this and more on today's CNN10! Learn more about your ad choices. Visit podcastchoices.com/adchoices