Preventing Summer Heat Deaths

Summer heat kills more people than tornadoes, floods, hurricanes and lightning combined. Now new technology may help save lives.

Preparing For Disaster

Almost everyone lives where a flood, tornado or other natural disaster can strike but are you prepared? Simple tips to make sure you're covered.

Can Co2 Be A Good Thing?

Pollution may have a positive effect on some parts of our environment. It's helping trees and plants grow faster.

Tracking Global Carbon

A pollution alert -- carbon is increasing three times faster than it was 50 years ago. We'll show you how it affects the air we breathe.

Traffic Accident Hotspots

43,000 people are killed each year in the U.S. in traffic accidents. Now scientists are trying to figure out how to stop the accident from happening.

Light- Up Tents

A new breakthrough for your next camping trip -- a tent that lights up.

First Stars In The Universe

Catch a glimpse of the very first stars in the universe.

Trip To An Asteroid

What's a boulder in space look like? This month, a spacecraft will take us on a journey to an asteroid.

Soothing Sensitive Teeth

A new toothpaste ingredient gives soothing relief to people with painful, sensitive teeth.

iPOD: How Loud is too Loud?

Turn down the volume! Your iPOD could be drowning your hearing. We'll find out what's safe and what's putting your hearing at risk.

Become A Smarter Shopper

Learn how to spot sneaky sales tricks and save money on everything you buy.

Mystery Diamonds

They are the oldest, toughest and rarest diamonds around -- and now scientists have a new theory of where they came from!

NEW: FREE Sudoku

Sudoku is a logic-based placement puzzle. The object of the puzzle is to enter a number, 1 through 9, in each cell of a grid, to complete each section. Each row, column and region must contain only one instance of each numeral. Completing the puzzle requires patience and logical ability.

Do you sudoku? Click here to get your FREE daily sudoku puzzle.