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 ...

One of nature's most efficient life-support systems is the egg. Eggs evolved over 300 million years ago as vertebrate animals adapted to living on land. And since then, they've taken on numerous ...

Birds lay eggs of surprising variety, and scientists have long wondered why. Could it be that certain shapes protect eggs from shattering? Or perhaps allow them to fit snugly in a nest? Or was ...