Early in the morning during festivals, many Indian homes wake up to patterns forming quietly at the doorstep. White powder falls in steady lines. Dots appear fi ...

Henry Adams does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

More than 60,000 years ago, early humans in southern Africa were carving patterns onto ostrich eggshells—and new research shows these designs were far more sophisticated than previously believed. A ...