Do we Need Nuclear Energy to Stop Climate Change?
Do we need nuclear energy to stop climate change? More and more voices from science, environmental activists and the press
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infographics
What Do Alien Civilizations Look Like?
The observable universe is a big place that has been around for more than 13 billion years. Up to two
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How Leonardo da Vinci Made A “Satellite” Map in 1502
It was a feat of technological and symbolic imagination. And it was pretty accurate, too. Leonardo da Vinci’s known for
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The Side Effects of Vaccines – How High is the Risk?
Vaccines are one of our best tools to prevent dangerous diseases, but they come with side effects. So would it
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The Relative Sidereal Rotation Periods of Planets in 2-D
The relative sidereal rotation periods of planets in 2-D (sidereal=relative to background stars)
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