From Science's Online Daily News Site

摘要

Living on a coral reef is a bit like living in a tanning bed. As the sun's rays shine through the water and reflect off the reef, they strike corals, their symbiotic photosynthetic algae, and other inhabitants from above and below. So what keeps these creatures from being fried? A new study suggests that coral acts as a sunscreen, absorbing UV light and limiting the harm it inflicts on the reef's denizens.