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for Curious Kids & Their Grown-Ups

Coral Bleaching Articles


When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white.


El Niño and La Niña are complex weather patterns resulting from variations in ocean temperatures in the Equatorial Pacific.



Dr Mike Hall, Principal Research Scientist at the Australian Institute of Marine Science, explains how the rarity of a sea snail may be one reason why the crown-of-thorns is now such a threat to…