Dr Stephan Reber and colleagues gave an oxygen-helium (heliox) mix to an alligator in an enclosed tank. The researchers were able to analyse the different sound frequencies in the animal's bellows to ...

(Reuters) - If humans sound like Minnie Mouse after inhaling helium, would an alligator squeak on the gas used to float balloons? This profound puzzle challenged a global research team to record an ...

1:28 Alligators offer rare glimpse at how they survive cold weather as winter grips southern U.S. In a rarely seen occurrence, video released on Monday showed alligators trying to stay alive in a ...