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 ...

It got us wondering, do penguins sweat ... but they will pant like a dog while laying one of nature’s strangest eggs. Don’t you just love the animal kingdom? And while we’re talking weird ...

Instead of breeding in the warmer summer months like other penguin species, emperor penguins lay and incubate their eggs ...