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History

Ancient Mathematical and Scientific Discoveries

Our ancestors weren't slouches. They cracked mathematical mysteries and built mind-bending devices that sometimes vanished from human memory, only to be reinvented millennia later.

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The inheritance of acquired characteristics

The concept of the inheritance of acquired characteristics, also known as Lamarckism, was first proposed by French naturalist Jean-Baptiste Lamarck in the early 19th century. Lamarck believed that organisms could pass on traits or characteristics that they acquired during their lifetime to their offspring. Lamarck argued that an organism'

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Are We Living in a Holographic Universe?

Scientists are using a new method to study black holes that could unlock the secrets of quantum gravity. The method uses a two-dimensional matrix to describe the three-dimensional surface of a black hole. This could help scientists understand the event horizon and unlock secrets about our universe.

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Shut Up and Calculate

Our world would be impossible without quantum mechanics — but we still don’t have a narrative of how it works.

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Zooming into Sagittarius A*

Today, more than three years after the release of the first-ever image of a black hole, scientists from the Event Horizon Telescope (EHT) shared an image of Sagittarius A* — the supermassive specimen sitting at the center of our own Milky Way galaxy.

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Is the Universe infinite?

As far as we can tell, there's no limit to how far it goes on; only a limit to how far we can see. Could the Universe truly be infinite?

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Where did the Universe come from?

To answer any physical question, you must ask the Universe itself. But what happens when the answers aren't around anymore?

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Scientists Find Unexplained Waves Inside the Sun That Defy Known Physics

The undetermined nature of the newly discovered waves promises "novel physics" about the Sun and stars, reports a new study.

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Hunting the Ghost Particle

It came from deep space, moving at the speed of light, and crashed into Antarctica. Deep below the ice, it met its end. It wasn't an asteroid or alien spacecraft, but a particle that rarely interacts with matter, known as a neutrino.

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The Mystery of Time’s Arrow

This simple model of the universe shows how one natural law points toward order.

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Wormholes could solve a fundamental paradox

A seemingly intractable black hole paradox first proposed by physicist Stephen Hawking could finally be resolved — by wormholes through space-time.

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See The Jaw-Dropping New 83 Megapixel Photo Of The Sun

If you only look at one “space photo” this year then this one has to be it. Here it is to download—the Sun, our life-giver, in stunning 83-megapixel glory. You can zoom-in like never before to see close-up its filaments and flares.