When it comes to ice, we only want it to do one thing -- make our drinks cold. We certainly don't want it to snitch to our friends after we've had one too many. But a MIT student has invented exactly that -- digital ice that monitors how quickly someone is drinking and sends out an alert when they've hit their limit.
We've always thought that binge drinking was just part of being a dumb teenager, but scientists say they've recently discovered a gene which could account for the risky behavior.