Why do cats love catnip so much? Researchers have found a possible evolutionary answer to this adorable feline phenomenon!

As spring approaches in the Northern Hemisphere, we anticipate the fluttering butterflies and the capering baby lambs, and we can also expect to see some birds hammered out of their minds in the trees, and perhaps on the ground. In most...

How do breathalyzers work? And will there ever be a breathalyzer for marijuana? As pot has become legal in several states, law enforcement has sought a method to detect marijuana use in drivers. This is complicated, though. Breathalyzers...

How do breathalyzers work? And will there ever be a breathalyzer for marijuana? As pot has become legal in several states, law enforcement has sought a method to detect marijuana use in drivers. This is complicated, though. Breathalyzers...

Alcohol is consumed in small quantities for pleasure, but long-term use or consumption in greater quantities has alarming effects on the body, especially in younger people. Biology - Healthy Living - Learning Points. Alcohol is a...

An excerpt from Alcohol and the Human Body, a 1949 production of Encyclopaedia Britannica Films.