The eggs of amniotes - mammals, reptiles and birds – come in a remarkable variety of shapes and sizes. Evolutionary biologists have now addressed shape variety in terrestrial vertebrates' eggs, ...

It’s a mystery that goes back to the days of Aristotle, flummoxing biologists and mathematicians for centuries: Why do birds’ eggs come in so many different shapes and sizes? Why are owl eggs almost ...

For years, scientists have tried to crack a mathematical mystery: Is there an equation that can perfectly describe each and every bird egg? Variable shell shapes complicated things. But it turns out ...