The Strange Symbiosis Between Sloths and Moths

Once a week, three-toed sloths slowly descend from the leafy forest canopy to poop on the ground. Why do these sluggish mammals go on such a long and potentially dangerous journey instead of just letting it fly from the treetops? Scientists now believe the answer has to do with the odd, symbiotic relationship between… » 1/23/14 8:00am 1/23/14 8:00am

Crowdfund a Batman documentary, 3D printing pens, and a WWII setting…

If you've always wished you could draw objects in 3D, there's a pen that uses basic 3D-printing technology to let you draw wire art-style objects, and it's looking for a little crowdfunding. So is a documentary on the power of the Batman story, an RPG setting that places cosmic horrors in WWII, the print volume of one… » 2/24/13 12:00pm 2/24/13 12:00pm

These Amazonian ants build one of the freakiest deathtraps in the…

The Amazonian tree known Hirtella physophora looks rather unassuming, but it is the site of several grisly spectacles. Amid its leaves and branches, an animal, a plant and a fungus conspire to create a nightmarish trap where trespassers become meals, robbers get the death penalty, and assassins are assassinated. » 5/03/12 8:00am 5/03/12 8:00am

The Ultimate Symbiosis: Mealybugs have bacteria living inside their…

Lots of organisms rely on symbiotic relationships, in which two species rely on each other for survival and one lives inside the other. But citrus mealybugs enjoy a triply symbiotic relationship unlike any we've ever seen...with one absolutely crucial exception. » 8/14/11 7:00am 8/14/11 7:00am