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May 2018

Neutron Stars May Unveil "Unknown 5th Force Between Normal Matter and Dark Matter"

 

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Until today, nobody has conducted such a fifth force test with an exotic object like a neutron star. "There are two reasons that binary pulsars open up a completely new way of testing for such a fifth force between normal matter and dark matter," says Lijing Shao from the Max Planck Institute for Radio Astronomy (MPIfR) in Bonn, Germany. "First, a neutron star consists of matter which cannot be constructed in a laboratory, many times denser than an atomic nucleus and consisting nearly entirely of neutrons. Moreover, the enormous gravitational fields inside a neutron star, billion times stronger than that of the Sun, could in principle greatly enhance the interaction with dark matter."

 

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"Elusive!" --Planet's 1st Manta Ray Nursery Discovered (WATCH Today's 'Galaxy' Stream)

 

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Known as the gentle giants of the sea, oceanic manta rays (Mobula birostris) are large, plankton-eating rays that live in the open ocean and can reach sizes of up to 7 meters (23 feet) in wingspan as adults. Oceanic mantas are typically found in subtropical and tropical waters around the world with aggregation sites commonly found far from coastal areas, making their populations hard to access and study. For this reason, major knowledge gaps remain in their basic biology, ecology, and life history. Baby mantas are virtually absent from nearly all manta populations around the world, so even less is known about the juvenile life stage.

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"A New Picture of the Big Bang" --The Quantum Universe

 

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Neil Turok, currently the Director and Niels Bohr Chair at the Perimeter Institute for Theoretical Physics in Ontario, Canada describes the quantum beginnings of the universe in the video below, on how ideas of the origin of the universe have changed over time, concluding with his current work on a ‘quantum’ beginning of the universe. In this theory the origin of the ‘astonishingly simple’ cosmos we see today, can be described with just a few fundamental numbers.

 

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Today's "Planet Earth Report" --How to Save Antarctica (and Planet Earth)

 


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Decisions made in the next decade will determine whether Antarctica suffers dramatic changes that contribute to a meter of global sea level rise. In a new study, scientists argue that time is running out to save this unique ecosystem, and that if the right decisions are not made to preserve Antarctica in the next ten years then the consequences will be felt around the world. Their results, published today in Nature, assess the state of Antarctica in 2070 under two scenarios, which represent the opposite extremes of action and inaction on greenhouse gas emissions and environmental protection.

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"Beyond the Red Limit" --Major Photosynthesis Discovery Reveals that Earth's Plants Can Live in Ways Never Thought Possible (Today's Top Science Headline)

 

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The vast majority of life on Earth uses visible red light in the process of photosynthesis, but the new type uses near-infrared light instead. It was detected in a wide range of cyanobacteria (blue-green algae) when they grow in near-infrared light, found in shaded conditions like bacterial mats in Yellowstone and in beach rock in Australia.

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"Unveiling Invisible Alien Worlds" --Molecules, the New Exoplanet Sleuth

 

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"By focusing on molecules present only on the studied exoplanet that are absent from its host star, our technique would effectively "erase" the star, leaving only the exoplanet," explains Jens Hoeijmakers researcher at the Astronomy Department of the Observatory of the Faculty of Science of the University of Geneva and member of NCCR PlanetS, wondered if it would be possible to trace the molecular composition of the planets.

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From the Farside: "The Most Controversial Secret on Earth" --Why UFOs are Now a Serious News Story

 

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"You've seen it without knowing it. Remember that wild news in December about a secret Pentagon UFO program? And those grainy military videos showing radar images of unexplained phenomena — white, Tic-Tac-shaped objects that appear to fly at remarkable speeds, at impossible angles, without wings or exhaust?"

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"A Hidden World" --Astronomers Capture First-Ever Image of an Erupting Supermassive Black Hole Jet

 

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"Because of the dust that absorbed any visible light, this particular tidal disruption event may be just the tip of the iceberg of what until now has been a hidden population," Mattila said. "By looking for these events with infrared and radio telescopes, we may be able to discover many more, and learn from them," sai Miguel Perez-Torres, of the Astrophysical Institute of Andalusia in Granada, Spain.

 

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Today's "Planet Earth Report" --"Basta!" --Mount Everest, Earth's Highest Waste Dump

 

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"It is disgusting, an eyesore," Pemba Dorje Sherpa, who has summited Everest 18 times, told AFP. "The mountain is carrying tons of waste." As the number of climbers on the mountain has soared—at least 600 people have scaled the world's highest peak so far this year alone—the problem has worsened.

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"The Great Transformation" --Can AI & Robotics Save the World? (Today's Top Science Headline)

 

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"Can AI, advanced robotics, self-driving cars, and other recent breakthroughs spread prosperity to the population at large?" Artificial intelligence is offering an amazing opportunity to increase prosperity, but whether or not ­we will seize it is our choice. “If workers in their late 40s or mid 50s are replace by automation, will they actually be able to acquire the skills required for new jobs, and will they actually be hired if they acquire those skills? We have to invest a lot in skills and education and mobility, and—even though that sounds hard—it’s harder than you think.”

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