WonderScope Assignment No. 1 - What is time? How is it measured? Can you stretch/slow down/stop time? Why does time seem to move more slowly when you're a kid? Or, even better, something else we haven't thought of yet! Send us your videos about time and we'll feature the best on npr.org.

POLITICO and YouTube invite you to be part of the daily political debate. In two minutes or less, videotape your answer to the question below and then click the "SUBMIT YOUR VIDEO" button to send it in. Don't forget to check back to see what others have to say.

Share videos of your favorite street performers around San Francisco for a chance to be featured on sfgate.com.

Do you have video of your favorite high school team in action? We want to see it. Starting this week, we'll be featuring highlights you upload right here. This week, the category is rushing touchdowns. Send us your most impressive scoring runs from the 2009 season via YouTube below, and see how your big plays stack up with the rest of the region's.

The Washington Post recently asked readers to share their worst commuting nightmares. Now they want video proof. Submit footage of your own personal commuting hell. R

As part of The Washington Post's occasional series exploring the state of the Republican party, Post writer Dan Balz wants to know where you think the Republican party is headed? Is the GOP is on it's way back to prominence, or were this fall's election results an abberation?

Charlie Gibson is leaving ABC's "World News" after almost 35 years. Do you want to say goodbye to Charlie? Send ABC News your video now for a chance to be on air.