Until today, scientists only knew of three classes of 3 dimensional solids. Now they've got a fourth. This new flavor of shapes are called Goldberg polyhedrons, and they are the first new class of shapes discovered in over four hundred years.
Look at these grey circles. They look bent, right? Like somebody put a ring in a vice and squeezed it? Actually, it's just an incredible optical illusion courtesy of @SciencePorn. Both circles are perfectly round. Really. No really.
If you need something to roll smoothly along the ground, you better strap some of those circular things called wheels to it, right? Well, not quite—because there are actually other shapes that roll smoothly, too.
Don't adjust your monitors, people. What you're looking at is a real, honest to goodness Grade A spherical egg. What does it taste like? What was the aspect ratio of the chicken that produced it? What does it mean?