What's up in

engineering

Photo of Darden sitting on her couch and smiling
Q&A

The NASA Engineer Who’s a Mathematician at Heart

January 19, 2021

Christine Darden worked at NASA for 40 years, helping make supersonic planes quieter and forging a path for women to follow in her footsteps.

An illustration that shows a fanciful view of cells in terms of electrical circuitry.
synthetic biology

Math Reveals the Secrets of Cells’ Feedback Circuitry

September 18, 2019

Maintaining perfect stability through negative feedback is a basic element of electrical circuitry, but it’s been a mystery how cells could do it — until now.

networks

Treading Softly in a Connected World

March 18, 2013

In an increasingly interconnected world, scientists are seeking safeguards against catastrophic cascades of failure like stock market crashes and widespread blackouts.