Natural History

Signs of blood cells found inside dinosaur fossils

Will scientists ever clone dinosaurs?

Oldest stone tools predate evolution of Homo genus

How olives changed the world

Have lower back pain? You might be part chimp

Trade network existed between America and Asia hundreds of years before Columbus

Era of human dominance over Earth began in 1610, say scientists

Cahokia: America's unknown ancient city

Organisms discovered that haven't evolved in more than 2 billion years

Turtles more closely related to birds than to lizards, according to landmark genetic study

Could a mummy's curse be causing earthquakes and floods in Siberia?

What do you know about dinosaurs?

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