Technologically Speaking
Technologically Speaking
DHS Science and Technology Directorate
The Science and Human Impact of Chemical Threats
26 minutes Posted Apr 22, 2026 at 7:39 pm.
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Show notes
We’re kicking off Season 6 with a timely conversation with Helen Mearns, Deputy Director of S&T’s Chemical Security Analysis Center. She shares with host Brittany Greco all about the lab’s vital work in safeguarding the country from chemical hazards.
In this episode, you’ll learn how CSAC:
Tackles everything from detecting synthetic opioids to combatting food adulteration.
Designs large-scale experiments and modeling tools to inform immediate emergency response efforts.
Prepares key stakeholders for major event security, including the Super Bowl, NCAA Final Four, and this summer’s FIFA World Cup.