Podcast:Today, Explained Published On: Mon Jan 31 2022 Description: The US government let the expanded child tax credit expire ... just as researchers produced a study showing giving parents money might help improve brain development in kids. This episode was produced by Hady Mawajdeh, edited by Matt Collette, engineered by Paul Mounsey, fact-checked by Laura Bullard and Richard Sima, and hosted by Sean Rameswaram. Transcript at vox.com/todayexplained Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices