"Things You Wouldn't Know If We Didn't Blog Intermittently."
22 January 2009
Saharan rolling spider
"Two other spider species are known to roll down slopes with the help of gravity. But this one uses handsprings to propel itself along even ground... Flipping as fast as two meters per second*, the spider looks like a small, unusually fast tumbleweed."
Text and image credit to Der Spiegel, where there are other photos, but unfortunately no video.