The Shape of a Bird’s Egg Can Tell You Something Totally Unexpected

Some of life’s simplest questions get swept under the rug for a long time—after all, the most widespread phenomena often require the most data to understand. Take the shape of the boring egg, for example. You probably thought eggs are was shaped the way they are so they won’t roll out of the nest or something. But a…

Injecting an Egg Yolk with Ink Reveals the Embryo Hidden Inside

Here’s a neat video showing ink being injected into the “yolk sac artery of 72 hour-old chick embryo to visualize the beating heart and the vasculature.” It’s from Nikon’s Small World in Motion competition which is always a great source for videos that reveal the previously unseen. Watching the ink spread throughout…