The temp at its core - a staggering 27 million degrees Fahrenheit...

You know it as the sun. Scientists know it as one of the most amazing physics laboratories in the universe. Now, with the help of new spacecraft and Earth-based telescopes, scientists are seeing the Sun as they never have before...even re-creating what happens at the very center of the Sun in labs here on Earth. Such experiments may help us predict and track solar storms that have the power to zap our power grid, shut down telecommunications, and ground global air travel...storms that have happened before-but never in the modern era of satellite communication. SECRETS OF THE SUN...8pm 

And speaking of power, our modern electric power grid has been called the biggest and most complex machine in the world - delivering electricity over 200,000 miles of high-tension transmission lines. Travel around the country with host Yul Kwon, as he reflects on the challenges of keeping the power flowing in AMERICA REVEALED...9pm