Hughes was going to do the unthinkable with it: mine manganese nodules right from the ocean floor. So, when the Glomar sailed ...

Striations, grooves, and mud deposits from anchor retrieval were visible in the substrate of the ocean floor. At the disturbed sites, little to no marine life was present. Credit: Matt Mulrennan / ...

Some commercial ships are now releasing a steady stream of bubbles underwater, and the reason is purely functional: reducing drag. This technique, called air lubrication, reduces resistance and helps ...