The Universe is Governed By Cycles --"LIGO Gravitational Waves Are Signals from the Recurring Birth of the Cosmos"

 

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Correlated noise in the two LIGO gravitational-wave detectors may provide evidence that the universe is governed by conformal cyclic cosmology (CCC) which assumes that the universe consists of a succession of aeons, says Roger Penrose of the University of Oxford. Penrose proposes that the apparent noise is actually a real signal of gravitational waves generated by the decay of hypothetical dark-matter particles predicted by CCC. Penose argues that a significant amount of this noise could be a signal of astrophysical or cosmological origin – and specifically CCC.

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The World's Vanishing Corals Reefs --"Rainforests of the Sea" (WATCH Today's 'Galaxy Stream)



 

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A new documentary came out on Netflix last week. It’s called "Chasing Coral," and it looks at the impact of coral bleaching on reefs unless CO2 emissions are reduced. At World Heritage-listed reefs, including Australia’s Great Barrier Reef or Phoenix Islands protected Area in Kiribati, marine biologists have been working hard to reduce pollution and other stressors and boost resilience, says Fanny Douvere of UNESCO World Heritage Marine Program. But the record-breaking bleaching event that stretched from 2014 to last month made it clear that local management is no longer sufficient to protect these iconic rainforests of the sea. We are facing a global problem that demands global solutions says Douvere.

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"Goodbye, Dave" --Scientists Ponder How to Identify Conscious Future AI's on Earth

 

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Every moment of your waking life and whenever you dream, you have the distinct inner feeling of being “you.” When you see the warm hues of a sunrise, smell the aroma of morning coffee or mull over a new idea, you are having conscious experience. But could an artificial intelligence (AI) ever have experience, like some of the androids depicted in Westworld (above) or the synthetic beings in Blade Runner?

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New Research Reveals Early "Ghost Species" That Interbred With Humans

 

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In saliva, scientists have found hints that a "ghost" species of archaic humans may have contributed genetic material to ancestors of people living in Sub-Saharan Africa today. The research adds to a growing body of evidence suggesting that sexual rendezvous between different archaic human species may not have been unusual.

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New NASA Alien-Life Search --"1st Probe Since Viking Mission to Search for Actual Living Organisms"

 

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"It's harder to distinguish between a microbe and a speck of dust than you'd think," says Nadeau, research professor at Caltech of medical engineering and aerospace. "You have to differentiate between Brownian motion, which is the random motion of matter, and the intentional, self-directed motion of a living organism."

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Astrophysicist Asks: "Did A Solar-System-Wide Cataclysm Erase Evidence of a Prior Space-Faring Species?"

 

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One of the primary open questions of astrobiology is whether there is extant or extinct life elsewhere the Solar System. Some scientists such as Penn State astrophysicist Jason Wright, a member of the Center for Exoplanets and Habitable Worlds, have considered the possibility that a technological species could have existed in the Solar System prior to humanity's rise on Earth.

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Star Trek's William Shatner Narrates NASA Langley Research Center Documentary (WATCH Today's 'Galaxy' Stream)

 

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Star Trek's" mission to explore strange new worlds, to seek out new life and new civilizations, to boldly go where no one has gone before is symbolized by captain William Shatner who narrates a new 45-minute documentary about NASA's Langley Research Center, which celebrates 100 years of solving "fundamental problems of flight" this year, according to the agency.

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Mind-Boggling Discovery in Australia, 'The Land 'Down Under' --"Could Forever Alter the Timeline of Human Migration"

 

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As the "Land Down Under," Australia is an island continent, so ancient visitors would have to arrived by sea, a long way from where humans first evolved in Africa. Migration to Australia would have required some remarkable ingenuity. Archaeologists have uncovered new evidence that could push the date of human habitation in Australia possibly as far as 80,000 years ago. The findings, that involve ancient tools and artifacts unearthed from Kakadu National Park in Australia's Northern Territory, suggest people crossed over from south Asia at a time that was cooler and wetter, with lower sea levels allowing easier sea crossings.

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There are 20 Yellow Dwarf Stars With Planets Like Our Sun Nearby --"We're Looking for Oxygen"

 

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"We are going to be the generation that is remembered for finding exoplanets. That's a fact," said Mercedes López-Morales from the Harvard Center for Astrophysics. "Are we going to be also the generation that will be remembered as the first ones who found life on those planets?"

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