Horse evolution visualized Seriously, how cute would a pet mesohippus be? Earlier this year, the genome of a 700,000 year-old horse was sequenced from DNA extracted out of a bone fragment frozen in permafrost. It rewrote much of what we know about the evolution of Mr. Ed et al.
BE_Myelinated nerves. A section through myelinated nerve fibers and Schwann cells. Myelin (green) is an insulating fatty layer that surrounds the nerve fibre (axon, black), increasing the speed at which nerve impulses travel.
8 Ways to Maximize Telomere Length and Increase Life Expectancy ~ Article wasn't that helpful. But I'm pinning this as a reminder to research telomeres. Article was okay, fine, just not earth shattering.