红桃视频

Sea anemones may look simple, but their biology tells a far more complex story. This Open Biology study uncovers how specialised stinging cells used for prey capture and defence, are regulated at a deeper level than ever before.

Complex life is powered by mitochondria; organelles which originated through a unique endosymbiotic event that, about 1.8 billion years ago, changed the history of Earth by enabling the evolution of multicellular organisms.