Lebanese Shish Tawook Chicken Kabob Recipe

Shish Tawook is a tasty grilled chicken breast sandwich that is served with Lebanese garlic dip, pickles, and fries. Try our easy recipe and enjoy juicy...

240 million years ago to 250 million years in the future

This animation shows the plate tectonic evolution of the Earth from the time of Pangea, 240 million years ago, to the formation of Pangea Proxima, 250 millio...

Human Population Through Time

It took 200,000 years for our human population to reach 1 billion—and only 200 years to reach 7 billion. But growth has begun slowing, as women have fewer ba...

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