Some Iraq war veterans suffering from post-traumatic stress disorder are being treated with a 3-D war simulator, the first of its kind in Illinois. We see how it works and how it's helping. The Vet Center at Alexian Brothers Medical Center Campus

Chicago has become a world center of "cloud computing." As we continue our Chicago Matters: Beyond Burnham series, Rich Samuels explains what "cloud computing" is and how you probably already use it on a daily basis.

They had a taste for humans, but their appetites have been exaggerated. We talk with a top researcher from The Field Museum about hungry lions and the people they devoured. The Tsavo Lions

4G, or WiMAX, has arrived in Chicago. It means super-fast internet connections from just about anywhere. The Chicago Tribune's Wailin Wong joins us to explain why people are so excited about it.

As we continue our Chicago Matters series, Beyond Burnham, we meet a Chicago visionary who founded the Inner City Muslim Action Network. Inner-City Muslim Action Network

Dozens of earth-like planets were recently found, leading us to re-examine the question: are we alone? We talk to an expert from the Adler Planetarium. "32 New Exoplanets Found" -- European Southern Observatory

There are some amazing new inventions coming out of Chicago area technology labs, and they could help get the economy back on track. We meet some local inventors who are dreaming up the products of the future.

Phil Ponce sits down with world-renowned paleontologist Paul Sereno to talk about a recently unearthed precursor to Tyrannosaurus rex, called Raptorex kriegsteini. Project Exploration -- Paul Sereno's science outreach organization

We preview Phil Ponce's "Friday Night Show" interview with world-renowned paleontologist Paul Sereno.

A startling new study by the Centers for Disease Control suggests autism is on the rise. We talk with two doctors to decipher what the data actually mean. CDC's Autism Spectrum Disorders Fact Sheet

A far South suburban expressway linking Illinois and Indiana could be in the works. Eddie Arruza tells us where it would be and when it might be built.

Could your next doctor be a robot? We go into the operating room to watch robotic surgery.

The giant heart is back at the Museum of Science and Industry, and it's all dressed up for the 21st century. It's part of a new $21 million exhibit that is all about..."You!" You! The Experience

Just what is "Smart Grid" technology? As we continue this year's "Chicago Matters" series, Rich Samuels tells us how it could reduce the need for new power-generating plants.

A researcher studying plague bacteria at the University of Chicago has died following exposure to deadly bacteria. Eddie Arruza and his panel discuss possible reasons this might have happened, and precautions taken by scientists studying potentially fatal diseases and bacteria.

The inventor of the Segway tells us about the latest big thing being discussed in scientific circles this week -- advancements in nanotechnology.