A rendering of the appearance of the human cell lineage big science research facility Photo: Chinese Academy of Sciences.

Animals, however, evolved from single egg cells into multicellular organisms ... perkinsii, prompting a fresh look at the evolution of life’s complexity. University of Geneva Olivetta, M., ...

Why has the hereditary trait in which the red blood cells are sickle-shaped persisted for so many generations? The surprising answer is that under some conditions it is actually beneficial ...