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The 280 million-year-old forest in the South Pole

(CNN)Antarctica as we know it is a frosty wilderness covered in thick compacted ice. Antarctica was much warmer 280 million years ago than it is today. Back then, it was still part of Gondwana, the Southern Hemisphere supercontinent that incorporated present-day Africa, South America, Arabia, India and Australia. According

Will your diet start Monday? Try the ‘non-diet diet’

(CNN)For the new year, if you've been struggling with your weight, you might turn to a new diet for help with shedding pounds.Some nutritionists say rather than jumping on the latest diet bandwagon or trend, it's time to consider embracing a "non-diet diet" -- basically a set of guiding

New American Girl doll is an aspiring Martian astronaut

(CNN)There's a new role model encouraging girls to reach for the stars.Though American Girl is known for its original line of historical dolls, books and accessories, Luciana isn't a historical figure. Her story was created with modern girls between ages 6 and 12 in mind -- or, as NASA

What happens to your brain when you give up sugar

Anyone who knows me also knows that I have a huge sweet tooth. I always have. My friend and fellow graduate student Andrew is equally afflicted, and living in Hershey, Pennsylvania -- the "Chocolate Capital of the World" -- doesn't help either of us.But Andrew is braver than I am.