![Nick Hud](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/nick-hud-ba-uracil_1_1_0.jpg?itok=7dmckRmr)
Understanding how chemistry begat biology is one of the grand challenges of science. It is the focus of Hud’s research and of the Center for Chemical Evolution (CCE), which Hud directs.
![Georgia Tech researchers analyze gene expression data](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/greg-gibson_edit_.jpg?itok=7GpmdTaV)
Researchers have identified biological signatures in pediatric patients with Crohn’s disease to predict whether they will develop complications.
![Traffic in Atlanta](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/unknown_3.jpeg?itok=YEPRgs57)
Though tailpipe emissions could fall in the years ahead as more zero-emission vehicles hit the streets, one major source of highway air pollution shows no signs of abating: brake and tire dust.
![Leucine Zipper and the Zinc Fingers](https://d7.biosciences.gatech.edu/sites/default/files/styles/medium/public/leucine.zipper.capture.png?itok=Zhmkcui6)
Save the dates to join the fun and excitement of the 2017 Atlanta Science Festival.