Why You Sometimes See Motion When Nothing's Moving At All

When you've been driving down a long, straight road, and you suddenly come to a stop, does the road seem to rush away from you? When you look at a waterfall, then glance away, does it seem as though the scenery is flowing upwards? It's called motion aftereffect, and it's a kind of visual adaptation. » 11/11/14 8:00am 11/11/14 8:00am

These Auditory Illusions Are Absolutely Bewildering

The latest installment of AsapSCIENCE opens with a demonstration of the McGurk Effect, a powerful auditory illusion that demonstrates how what we see influences what we hear. But even more baffling is the Shepard tone illusion – a sort of sonic barber's pole that seems to continually ascend in pitch, without actually… » 5/29/14 4:16pm 5/29/14 4:16pm

How often does speech turn into song?

You can make any person's regular speaking voice seem to burst into song with a fairly simple trick. It's called the Speech-to-Song illusion. But can you do it if they're speaking another language? Or if you deliberately tweak their voice? Find out how to make people sing on your iPhone, and how they can make you stop. » 3/03/14 9:20am 3/03/14 9:20am

Attending a masquerade ball? Consider wearing your own face!

We're big fans of Sandra Holmbom's work. The Swedish makeup artist can do blood and gore with the best of them, but it's her uncanny turns of visual trickery that really set her apart. And when the two combine? Well, that's when you get masterpieces like this. (Fair warning: this is some pretty graphic costume gore.) » 2/16/14 11:00am 2/16/14 11:00am