Monday is Feb. 29 – the bissextle or "leap day," an artifact that dates back to the year 46 B.C. Find out how this calendar oddity came to be.
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2016
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- Kingsnake Facts
- What Is Electric Current?
- Zika Virus Linked to Guillain-Barré in New Study
- Oldest Nervous System Found in 520-Million-Year-Ol...
- What Caused This Man's Bladder to Be Encased in Ca...
- New Scans of King Tut's Tomb May Reveal Hidden Bur...
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- Moving Ink: Cool Animation Tech Brings Tattoos to ...
- Never-Seen-Before Tetraquark Particle Possibly Spo...
- T. Rex Was Likely an Invasive Species
- Vermilion Cliffs: Awe-Inspiring Photos of Canyons ...
- New Virtual Reality Suit Lets You Reach Out & Touc...
- Electricity Basics: Resistance, Inductance & Capac...
- How Blue LEDs Affect Sleep
- Incredible New View of the Milky Way Revealed (Video)
- Bluish Hued Supermoon Dazzles Over Italy (Photo)
- Leap Day: The Story Behind This Quirky Calendar Event
- Did You Do Today's Workout? Inside the CrossFit Craze
- Rare Charles Darwin Letter Fails to Sell at Auction
- The Best Way to Keep Weight Off
- Earth's Early Ocean Was No Scalding Sea
- Earth's Fiery Depths Filled with Brimstone
- Physics of Skipping Stones Could Make Bounceable N...
- Easter Island Civilization Not Destroyed by War, N...
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- Be Healthy
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