What antlers can teach us about cancer and regrowing limbs

Antlers are some of the fastest-growing bone in the animal kingdom: Deer, moose, elk, and reindeer sprout up to half a meter of new bone growth in a month prior to the mating season. Now, researchers studying their genomes have discovered how. Genes that both promote and suppress cancer are partially responsible, suggesting the bony tissue may reveal new ways to fight cancer. Read more: Read the research ($):