Why Does Freshly Cut Grass Smell So Nice?

What are we really smelling when we inhale that fresh-cut grass scent? And why do we like it so much?

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In Photos: Ancient Cemetery Near Giza Pyramids

Archaeologists working in Egypt have discovered a 4,500-year-old cemetery filled with tombs, sarcophagi, mummies and artifacts.

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4,500-Year-Old Cemetery and Sarcophagi Discovered by Giza Pyramids

A huge tomb holding the remains of two men, including a priest, were discovered in the ancient cemetery.

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What Are the Alternatives to Animal Testing?

We're making great strides in developing alternatives, but here's why it's still necessary to test on animals.

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A Portrait of Leonardo da Vinci May Reveal Why He Never Finished the Mona Lisa

Did Da Vinci have claw hand?

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Photos: Hurricane Michael Toppled Over Trees and Uprooted 19th Century Artifacts

A category 5 storm uprooted artifacts from a 19th century freed slave community, tangled up in rootballs of large toppled over trees.

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Hurricane Michael Unearths Evidence of Fort Occupied by Hundreds of Freed Slaves

The fort was the "nexus of freedom and slavery resistance."

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