Millions of pounds of fresh produce and animal products enter U.S. ports each year, posing potential threats to agriculture and the economy.

New Tech Speak minisode follows S&T experts as they demo a novel fentanyl detector at an Arizona port of entry and discuss challenges with combatting the flow of synthetic opioids.

S&T and partners have 3D printed human cells onto microchips to study how different toxic vapors can damage lung tissue.