Did you know that 75% of 11th and 12th graders polled mistakenly believe they drive better while high on marijuana or that marijuana has no influence on their driving? Hound Labs, based in California, has created what they call the world’s first marijuana breathalyzer. This device allows drivers and law enforcement to test whether you’re too high to get behind the wheel. Interested in the science and product? Check out https://houndlabs.com/.