How Mark Rober makes science funhttps://wpnnradio.com/wp-content/themes/movedo/images/empty/thumbnail.jpg150150adminadminhttps://secure.gravatar.com/avatar/790df65a416873c3f0501d984b0b24a2f32bf2af0d1509085b901ade4bbb36e7?s=96&d=mm&r=g
Mark Rober’s videos are wacky, fun, jam-packed with science. And they’re wildly popular, 22 million YouTube subscribers tune in to watch them. Jamie Wax reports. source
