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A Nobel Prize winner sold his medal for $765,000 to pay medical bills

In 2015, Leon Lederman sold his Nobel Prize medal for $765,000 in an auction to help pay medical bills.On Wednesday, Lederman died at a nursing home in Idaho. He was 96.He won the Nobel Prize for...

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Stephen Hawking’s doctoral thesis about the origins of the universe will soon...

World-renowned physicist Stephen Hawking died in March at age 76.Hawking's doctoral thesis, wheelchair, and 20 other items will be featured at an upcoming auction.His thesis includes notes written...

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This mind-melting thought experiment of Einstein's reveals how to manipulate...

Einstein reveals how to manipulate time.Produced by Delano Samuels and Jessica Orwig. Illustrations by Dragan Radovanovic.Follow BI Video: On TwitterJoin the conversation about this story »

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A 'mind-boggling' telescope observation has revealed the point of no return...

A black hole 4 million times as heavy as the sun lurks at the center of the Milky Way galaxy.Telescopes just took the best-ever observations of hot gas circling the edge of the black hole.The gas burst...

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How cats can survive falling 32 stories high with limited injuries

Cats famously land on their feet when they jump off furniture and trees, but they use a different technique to survive falls from much greater heights.Some cats have walked away from falling as high as...

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The worst storms on Earth are nothing compared to the weather on other planets

Earth has some pretty severe weather— hurricanes, earthquakes, and tsunamis can be devastating — but we're better off living here than on other planets. Earth's worst storms are nothing compared to the...

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Two physicists have developed an equation for the world's perfect pizza

While we may have thought that making a decent pizza is all about the ingredients, it's a matter of thermodynamics according to physicists Andrey Varlamov and Andreas Glatz.According to recent research...

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The December solstice is here. Here's how it works and why it starts winter...

The December solstice of 2018 happens on Friday at 5:23 p.m. ET, marking the first day of winter for the Northern Hemisphere.The solstice is known as the winter solstice in the Northern Hemisphere and...

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There is a 'dark side' of the moon, but you are probably using the term...

People often say "dark side" of the moon when referring to the lunar face we can't see from Earth.This common use of the phrase is wrong— the term scientists use is the "far side."One lunar side always...

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A city in China wants to launch an artificial moon into orbit by 2020 —...

A city in China wants to launch an artificial moon into orbit by 2020. China's moon would be far less massive than our current moon, but their ambitious idea made us wonder what would happen if Earth...

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NASA's deep-space nuclear-power crisis may soon end, thanks to a clever new...

NASA relies on plutonium-238, a human-made radioactive element, to power its longest-operating and farthest-flying spacecraft.Nearly all Pu-238 was made during the Cold War, and supplies are running...

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The speed of light is torturously slow, and these 3 simple animations by a...

The speed of light in a vacuum is about 186,282 miles per second (299,792 kilometers per second).A scientist at NASA animated how long it takes light to travel around Earth, as well as between the...

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The world's oldest Nobel Prize winner, a 96-year-old physicist, says his new...

At 96, Arthur Ashkin is the oldest person to ever be awarded a Nobel Prize.Ashkin won half the 2018 prize in physics for his role in developing technology that makes very small beings "levitate" using...

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A 'ridiculous' yet simple animation by a NASA scientist shows how long it...

The speed of light is about 186,282 miles per second (299,792 kilometers per second) in a vacuum.That can be tough to comprehend, so a scientist at NASA created several simple animations to demonstrate...

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Elon Musk says SpaceX is developing a 'bleeding' heavy-metal rocket ship....

SpaceX is developing a giant, fully reusable launch system called Starship to ferry people to and from Mars.Elon Musk, the aerospace company's founder, said he recently made "radical" changes to the...

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Earth's air supply may reach nearly 400,000 miles into space — so far that...

Space begins at roughly 62 miles (100 kilometers) above the surface of Earth, but our planet's air supply stretches farther than this.Scientists have discovered that Earth's atmosphere may actually...

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Stephen Hawking died 1 year ago today. Here are 15 of the most remarkable and...

Theoretical physicist Stephen Hawking died exactly one year ago, on March 14, 2018.In his later years, Hawking could only "speak" through eye-tracking software due to a neurodegenerative...

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The first day of spring is finally here — for about 90% of us. Here's why...

This year's spring or vernal equinox will happen on Wednesday, March 20.Earth's rotation does not cause the spring equinox. Rather, equinoxes occur because the planet has a tilted axis.Spring comes...

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A 'major breakthrough' in physics helps explain why all matter in the...

The early universe created equal parts of matter and antimatter, which should have all annihilated or destroyed themselves.However, an asymmetry in the universe left behind more matter and enabled our...

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The Hubble telescope spotted an asteroid that has grown two tails — and...

A 2.5-mile-wide asteroid called 6478 Gault was discovered in 1988.The space rock recently grew two long, bright tails like a comet, which astronomers struggled to explain.The Hubble telescope studied...

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