Slug Slime Is A Liquid Crystal And It's Actually Pretty Incredible

You do not become a forest-floor-creeping mollusk on good looks alone; to crawl effectively, you need something with which to lubricate your wriggling, slimy, slithering self. Mucus, secreted in abundance from your entire body, is just the ticket. But slug slime is good for a lot more than whole-body lubrication. » 3/03/15 7:00pm Tuesday 7:00pm

The Story Behind Earth's "Other" Moon And Its Completely Whacked Orbit

We all know and love the moon. We're so assured that we only have one that we don't even give it a specific name. It's just The Moon. But the moon is not the Earth's only natural satellite. Here's what you need to know about 3753 Cruithne and what its weird orbit reveals about the solar system. » 2/25/15 8:40am 2/25/15 8:40am

How To Hack Your Street Lamps Like An Astronaut

A bright street lamp can ruin a night of stargazing, saturating your retinas with light and washing out the comparatively faint glow of constellations and meteors. Here's a handy hack you can use the next time you need to put one temporarily (and reversibly) out of business, courtesy of NASA astronaut Don Pettit. » 2/19/15 3:55pm 2/19/15 3:55pm

How Nanoscale Optics Create Nature's Most Dazzling Colors

What do a butterfly's shimmering wings, a fish's opalescent scales, and a peacock's brilliant feathers have in common? Yes, their colors are beautifully iridescent. But they are also produced by the physical interaction of light with sophisticated nanoscale architecture that we are only just beginning to understand. » 2/19/15 2:14pm 2/19/15 2:14pm