Tears of joy and tears of sadness look different under the microscope

We can cry because we're happy. We can cry because we're sad. We can cry because we're cutting onions. We can cry just because we need to cry. They're all completely different emotions... but are they different tears? Photographer Rose-Lynn Fisher wanted to find out in her series The Topography of Tears. She put dried… » 11/20/13 8:02pm 11/20/13 8:02pm

Use a Laser Pointer to Turn Your iPhone Into a Microscope

We've seen ways to turn your iPhone into a DIY microscope before, but they always require buying something kind of exotic, like a ball lens, or an actual microscope. This new take from Yoshinok on Instructables just requires $10 bucks, a shitty laser pointer, and little bit of makin'. » 10/19/13 7:12pm 10/19/13 7:12pm

Why Microscope Slides Should Hang in the Louvre

You might think that a museum adding 2000 new exhibits would need to build a whole new wing. But the latest additions to London's Grant Museum of Zoology all fit into a space the size of a large wardrobe: they're vintage glass microscope slides, bearing specimens taken from everything from fleas to whales. » 2/11/13 8:34am 2/11/13 8:34am

The Best Microscopic Videos of the Year

Every year, Nikon's Small World in Motion Competition rounds up the best microscopic videos from scientists across the world. The results are strange but beautiful, and the winner will make you think about your breakfast in a completely different light. » 2/07/12 2:00pm 2/07/12 2:00pm

Some of the other entries are worth a watch, too. Scooping…