Our parents' genes, even the ones we didn't inherit, leave a measurable lasting imprint on our lives. An international team ...

Have you ever seen birds flying across the sky in shifting, mesmerizing patterns? Or ants using their own bodies to form a ...

Follow this author to personalize your feed and get instant alerts. WHY FOLLOW? Update your preferences in Account Settings Worland is a senior correspondent at TIME, based in the Washington, D.C., ...