We read what some of you had to say about low water levels in the Great Lakes in tonight's Viewer Mail.

It's Chicago's warmest January 29th on record -- with temperatures expected back in the teens later in the week. We talk with a meteorologist about what it all means.

Lake Michigan water levels have hit record lows, and some experts say it could lead the Chicago River to un-reverse and start flowing back into the lake. Elizabeth Brackett reports.

A new site aims to tell riders how their CTA ride got delayed.

A technology park in the middle of the city -- University of Illinois announces a new research lab modeled on Bell Labs. Vice president of research Larry Schook joins us.

Warm air and lake temperatures, along with a severe drought, have led to the low water levels in Lake Michigan and Lake Huron. Elizabeth Brackett reports on the impact of those low water levels on the communities that surround the Great Lakes.

Open City's latest site makes Chicago's zoning code "digestible by humans."

Can lying be perfected? Researchers at Northwestern University delve into the art of deceit. Our science guy, Neil Shubin, joins us to explain these stories and more in tonight's Scientific Chicago.

A new energy law is changing how homeowners live in Illinois. Our expert panel tells us what this law means – and debates its pros and cons.

We learn winter gardening tips, and why now is the best time to look for signs of the Emerald Ash Borer, from Chicago Botanic Garden's Eliza Fournier.

Could the secret to good health and combating disease rest in the gut? In tonight's Scientific Chicago, Ash-har Quraishi tells us about an unusual procedure that could provide some answers.

Chicago Tonight spoke with Dr. Stacy Kahn, who specializes in the treatment of digestive diseases at the University of Chicago Medicine Comer Children's Hospital, about Fecal Microbiota Tranplants.

The unbelievable landing of the Curiosity Rover on Mars capped a year of fascinating space exploration. Astrophysicist Chris Lintott looks back on the top space stories of 2012.

How malleable are political views? And a robot made without any electronics? Our science guy, Neil Shubin, joins us to help answer these questions and more in tonight's Scientific Chicago.

Bee hives, hand cream and O'Hare Airport. We show you how one social enterprise is utilizing the sweet nectar of honey to give its employees a fresh start.

The Shedd Aquarium unveils three giant new Bighead Asian Carp. But just where were they caught, and what does it tell us about the battle to keep these invaders away from the Great Lakes?