For decades, the Golden State Killer avoided capture despite leaving DNA at multiple crime scenes. Traditional databases failed, fingerprints led nowhere, and the case went cold. Everything changed ...

Have you ever worked with a group of people trying to solve a problem? There are different opinions, different considerations, and each person’s perspective provides a different angle on the problem.

This tracker is no longer being maintained. Numbers and graphics on this page will continue to update automatically but may become out of date as public health agencies wind down reporting of various ...

The investigator in Syria had made the drive perhaps a hundred times, always in the same battered truck, never with any cargo. It was forty miles to the border, through eleven rebel checkpoints, where ...

Dr. Anju Goel, MD, MPH, is a public health consultant and physician with more than 10 years of experience in the California public health system. HIV spreads through semen, blood, vaginal fluid, and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Erika Rasure is globally-recognized as a ...