Scientists at the University of Sydney in Australia believe the red planet's tug is creating "giant whirlpools' in the oceans called eddies, which can shift the deep-sea floor. This, they claim, is part of a 2.4-million-year climate 'grand cycle' on Earth that has been ongoing for at least 40 million years. Advertisement These revealed that sediment deposits follow a very long period, ebbing and flowing every