You thought that wild weekend from months ago was ancient history? Think again. While blood tests only catch drug use from the past few days and urine tests stretch to maybe a few weeks, there’s a ...

Hair analysis could be the key to understanding adolescent drug usage, as a new study uncovers almost double the number of children were found to be using substances than those who admitted to in a ...

For decades, courts treated several forensic methods as hard science, even when the evidence behind them was weaker than most ...

In the three decades since Florida sent Gerald Delane Murray to death row for murder, he has watched the case against him crumble. DNA evidence prosecutors used to link him to the crime was handled so ...

Add Yahoo as a preferred source to see more of our stories on Google. Revised guidelines for drug-testing hair scheduled for publishing next year. (Photo: Jim Allen/FreightWaves) WASHINGTON — The U.S.

Last year, researchers sequenced the genome of famed composer Ludwig van Beethoven for the first time, based on authenticated locks of hair. The same team has now analyzed two of the locks for toxic ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. In the three decades since Florida sent Gerald Delane Murray to death row for murder, ...