JOPLIN, Mo. — It’s a day often celebrated to teach young children about things like physics and problem-solving. And, Humpty ...

A boiled egg. What could be better? A perfect pod of fats, protein, and flavor, handily packaged in a crackable shell that’s ...

Drying droplets have fascinated scientists for decades. From water to coffee to paint, these everyday fluids leave behind ...

But some scientists have doubted that dark speckling on a light egg is an effective camouflage. Others point out that ...