About this episode
An 18-year-old mountain climber became the youngest ever to summit the world's highest peaks. The slime in your home could be the key to helping fight climate change – send these scientists a picture . Food insecurity is a problem for some Los Angeles residents, so this nonprofit is crop swapping. A cello-playing robot made musical history. Plus, an 81-year-old makes finishing the New York City Marathon look easy – he shares some tips ahead of Sunday's race. Learn more about your ad choices. Visit podcastchoices.com/adchoices