Share this on WhatsApp A hairlike, translucent creature that builds colonies on hermit crab shells is strange enough in appearance and living arrangements, but hydractinia’s oddities do not stop there. Scientists have now pinpointed a key gene—one also found in humans—that triggers this ocean floor dweller’s rare ability to make an unlimited supply of sperm … Continue reading Perpetual Fertility: How an Obscure Sea Creature Makes Endless Eggs and Sperm