Mathematicians have developed a mathematical model reflecting how red blood cells change in size and hemoglobin content during their four-month lifespan. The model, which uses data from routinely ...

Zebras and tigers have stripes, cheetahs and leopards have spots, and the ocellated lizard (Timon lepidus) boasts a labyrinthine pattern of black-and-green chains of scales. Now researchers from the ...