RT @CraigAWelch: THREAD: My latest for @NatGeo w/gripping @KatieOrlinsky photos shows that as the Arctic’s frozen ground——known as permafro…

Earth's inner core is a roughly moon-size ball of iron floating within an ocean of molten metal—meaning it's free to turn independently from our planet’s large-scale spin on.natgeo.com/2ZeEvlE

"Vaccines save us from diseases, then cause us to forget the diseases from which they save us" on.natgeo.com/2NfESpF

RT @disneyplus: Someone asked us to formally introduce ourselves so of course we made a video. pic.twitter.com/VZLrJ6ff7k

RT @Disney: It’s moving day! Is everyone packed and ready to go to @disneyplus? pic.twitter.com/bAFxRjT5aY

@Pixar @Disney @disneyplus Maybe we can help! Have you tried looking in shallow, tropical reefs of the Indo-Pacific? That’s where you’ll find paracanthurus hepatus. Just don’t get confused with acanthurus leucosternon or acanthurus coeruleus – they all are known as blue tangs! pic.twitter.com/Mq1BKGBxy0