The Scratch and Blockly teams are excited to announce the release of Scratch Blocks 2.0! This release is no longer a fork of Blockly, but rather depends on Blockly as a library. We've also updated ...

Abstract: Dragging is a fundamental interaction technique in human-computer interaction. Prior research on dragging has generally been concerned with 2D objects on 2D interactive surfaces, with ...

Asthma is a chronic (or lifelong) disease that can be serious—even life-threatening. There is no cure for asthma. The good news is that with proper management, you or your loved one with asthma can ...

The Holocaust was the systematic, state-sponsored persecution and murder of six million Jews by the Nazi regime and its allies and collaborators. Learn more in the Museum’s Holocaust Encyclopedia.