Impossible research produces 400-year El Niño record, revealing startling changes

Coral experts around the world said it was impossible to extract a multi-century record of El Niño events. But one persistent PhD student, now Dr. Mandy Freund, with the help of Australian scientists willing to ‘give it a shot’ has produced the world’s first 400-year long record of El Niño events. And the changes they have found to El Niños in recent decades are startling.
Source: EurekaAlert,