From December 5-11, millions of kids in over 180 countries will take the Hour of Code challenge. The annual initiative, which coincides with Computer Science week, is organized by Seattle-based non-profit Code.org to demystify the world...

It was August 6, 1926, the day that an American, Gertrude Ederle, was poised to become the first woman to swim the English Channel. Only five men had ever swum the waterway before. The challenges included quickly changing tides, six-foot...

Activities that teach students basic computer science concepts using the programming language Scratch. Includes lots of additional supports for teachers. All materials are free and teachers sign in to create a class.

A straightforward biography of David Brinkley. Includes a detailed list of all his news shows and publications.

Food doesn't last. In days, sometimes hours, bread goes moldy, apple slices turn brown, and bacteria multiply in mayonnaise. But you can find all of these foods out on the shelf at the grocery store thanks to preservatives. But what...

Although it is happening every hour of every day, all over the world, the story of egg meeting sperm is still a tale worth telling. Millions of candidates set off on a long and perilous journey with a single target at the end, and if the...

Seven lives were lost as communications failed in the face of public pressure to proceed with the launch despite dangerously cold conditions. January 28, 1986, The sun had been up for less than an hour and air temperatures were a few...