It sits just two hours by ferry across the Aegean Sea from the ominous round-the-clock tremors on the island of Santorini, but Elafonissi in Greece has been named the world’s best beach by Tripadvisor ...

The ENSO cycle loosely operates over timescales from one to eight years. La Niña occurs when equatorial trade winds become stronger, changing ocean surface currents and drawing cooler deep water up ...