Tylenol No More Effective Than Placebo in Treatment of Back Pain

A 3.5-year, double-dummy, randomized, placebo-controlled trial, conducted across 235 primary care centers in Sydney Australia has found that paracetamol (trade name: Tylenol, aka acetaminophen), one of the most widely used analgesics in the world, is no more effective in the treatment of back pain than placebo. » 7/24/14 3:40pm Thursday 3:40pm

Family That Walks On All Fours Not A Product Of 'Reverse Evolution'

In Turkey, there's a family with an apparent genetic disorder that causes them to walk on all fours. Scientists have speculated that they're an example of "devolution" — a backwards step towards our quadrupedal past. A new paper challenges this assumption, offering a far more reasonable explanation. » 7/17/14 7:40am 7/17/14 7:40am

That ISIS "Caliphate Map" Is Bogus, So Stop Freaking Out

Judging from the comments on Twitter, a lot of people are panicking over the map that's appeared on ABC News, purporting to show ISIS' "five-year expansion plan" for conquering vast territory. Let's stop this meme right now, shall we? ISIS didn't even make the map—and a neofascist group is circulating it. » 7/01/14 12:00pm 7/01/14 12:00pm

What Sound Did T. rex Actually Make?

It's an iconic scene in every dinosaur movie: the huge, conquering carnivorous theropod rears back and lets out a terrifying bellow. But how close to reality are these sounds? Do we have any ways of using science to figure out what dinosaurs and other stem-birds may have sounded like? Do we have evidence that they… » 6/15/14 1:00pm 6/15/14 1:00pm

A Video Unleashes The Power Of Math To Whack Mars Conspiracy Theorists

Geophysicist Stuart Robbins, who writes the blog Exposing PseudoAstronomy, has produced a video that looks at the Cydonia Region of the Red Planet, and opens up a can of scientific whoop-ass on the "Mars anomalists" who claim that aliens created representations of complex equations on the planet's surface. » 6/03/14 6:20am 6/03/14 6:20am

All Together Now: DIMETRODON IS NOT A DINOSAUR

Like pterosaurs, ichthyosaurs and plesiosaurs, Dimetrodon, while commonly mistaken for a dinosaur, isn't actually a dinosaur. In fact, unlike pterosaurs, ichthyosaurs and plesiosaurs, Dimetrodon isn't even a reptile, but instead belongs to a diverse group of animals that includes all modern day mammals. Seriously. » 5/22/14 10:30pm 5/22/14 10:30pm