Lack of sleep can affect your immune system and reduce your ability to fight infections. | The Olympic torch weighs about 3 pounds. | The first ice hotel was built in Swedish Lapland. | The city of Las Vegas has the most hotel rooms in the world. | Scientists at the Texas A&M University's Institute for Biosciences and Technology are working on ways to grow vaccines inside of bananas.

A year from now you will wish you had started today.