How long can corals cope with rising temperatures? artorn/Getty
Repeating an experiment 47 years after it was originally carried out has revealed some rare good news about coral reefs 鈥 some species appear to have become significantly better at surviving temperature increases.
In 1970, marine zoologist collected three species of coral from a reef in K膩ne鈥榦he Bay, Hawaii. When he put them in a chamber and gradually heated the water, he found that they simply couldn鈥檛 tolerate increases of 1 to 2 degrees. They started to bleach, ejecting the colourful algae that normally live within…
