ScienceTomorrow Today - The Science MagazineTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience07/21/2018July 21, 2018Seals that can stay underwater for up to 2 hours, why beavers’ teeth are fortified with iron, and the role played by insects in human survival. Animal magic on this week’s edition of Tomorrow Today.https://p.dw.com/p/31qmdAdvertisement