ScienceDaily: More frequent tropical cyclones in Earth’s ancient past contributed to persistent El Niño-like conditions, according to a team of climate scientists led by Yale University. Their findings, which appear in the Feb. 25 issue of the journal Nature, could have implications for the planet’s future as global temperatures continue to rise due to climate change. The team used both cyclone and climate models to study the frequency and distribution of tropical cyclones (also known as hurricanes …