In case those licks and wagging tail weren't convincing enough, scientists prove what we already know. Our dogs love us. They really, really love us.
Telomeres are sections of DNA that are found at the ends of chromosomes and seem to play a role in aging.
Most female mammals have a finite number of egg cells and become less fertile with age, but naked mole-rats seem to be eternally fertile. Now, researchers think they've cracked how these weird mammals do it.