It’s evolgen. E-V-O-L-G-E-N. Think “evil jen“.
One thing our blog is not is “evolvgen”. Notice the extra “v”. We do, and we don’t like it. You may like calendars with nekkid people or studying some insignificant primate. But, whatever you fancy, whatever floats your boat, whatever tickles your noodly appendage, please leave off the second V.