SN Online Science & Society SN Online Share this: Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print By Science News May 16, 2013 at 4:15 pm ENVIRONMENT See good news for birds in “So far, the great tit has coped with climate change.” LIFE Fossils show how birds shifted their weight as they evolved. Read “Birds may have had to crouch before they could fly.” Flowerlike corals pulsate to boost photosynthesis by algae harbored inside. See “Why corals do calisthenics.” RANDOMNESS Tom Siegfried examines theories of generosity in “Greed may breed financial fitness, but evolution allows unselfishness to survive.”