1. 100 Incredible Lectures from the World’s Top Scientists: Video lectures of a wide range of topics from psychology to astronomy. You will also like Richard Feynman’s lectures. [via O'Reilly Radar]
2. 35 Google open-source projects that you probably don't know: An impressive collection if you are a programmer.
3. Vimeo's 25 favorite videos of 2009: There goes my afternoon!
4. 1000 Awesome Things: A list of things that makes one happy or excited or amazed like: “Finding hidden compartments in things you already own” or “The feeling of brushing your teeth with a new toothbrush” or “Walking on grass with bare feet”. Awesome!