By Will Dunham
WASHINGTON, Feb 6 (Reuters) - It's no surprise to any sailor who has braved the southern seas to hear that the region is one of the world's most stormy.
What might come as a surprise is that the storm cycles in a huge part of the Southern Hemisphere are not haphazard. Instead, they pulsate year-round to a 20- to 30-day beat.
That's the finding of U.S. researchers who studied ...