Cathinone color test is now on the market

Every four days, a new illicit synthetic drug enters the world market. These drugs, which are designed to mimic established drugs of abuse, are cheap, often highly toxic, and difficult—if not impossible—to detect using ...

How rodents bulk up for winter without going nuts

When Arctic ground squirrels need to bulk up for winter, they get a boost from an enormous spike in the levels of steroids in their blood. So why doesn't it lead to 'roid rage?