The Washington Post is providing this news free to all readers as a public service. Follow this story and more by signing up for health, science, and environment email alerts. On Friday, President ...

Illustrator CS6 is designed for illustrations and artwork, but interface and Web designers love its pattern-making tool. You can make complex and colorful patterns quickly, but exporting a pattern ...

Guidance on whether to wear a face mask varies locally. But the Centers for Disease Control and Prevention has recommended that all Americans, healthy and sick, wear basic cloth masks in public — a ...