Last Wednesday, we learned that plants on other planets may not be green. Thursday we learned that sight and sound can trick your brain and that there are about 37,000 nailgun injuries a year in the US.

On Friday, we learned why Friday the 13th is considered unlucky. Saturday we learned that mobile phones could be killing the bees and that the average number of items in a typical woman's bathroom is 437.

On Sunday, we learned that music is back in Afghanistan and Einstein was right - space and time do bend. Monday we learned about the Virginia Tech shootings, the outsourcing of U.S. prayer lines and why the humble banana is an atheist's nightmare.

And so far today, Tuesday April 17, we learned that things are looking up for Saudi women, humans are the animal world's best distance runners, and the world's oldest continually running family business is closing after 1,400 years of temple building.

With clippers all over the world sharing what they find on the Web, clipmarks.com has become a place to learn about every topic imaginable. In order to keep the best clips rising to the top, we need you to pop your favorites. So if you're on the site and you see a good clip, pop it!

Start by finding the gems in Latest Pops, New Clips or channel surf the site with Surprise Me. Until next week, happy clipping and popping.