Science News
Anything interesting happening in the scientific world? Talk about it here.
2025 topics in this forum
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Article Article about this. Second Article Second article about this.
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- 3 replies
- 1.1k views
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This makes more and more sense as we learn more. Worlds with liquid oceans and atmospheres seem to be out numbered quite badly, at least in our own planetary system... https://futurism.com/life-cosmos-exist-frozen-ice-worlds/
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- 5 replies
- 1.3k views
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Fungi are being credited with allowing or at least supporting the rise of plants on land. These giant fungi were the first large land organisms known.
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- 1 reply
- 887 views
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https://www.washingtonpost.com/amphtml/national/health-science/cdc-gets-list-of-forbidden-words-fetus-transgender-diversity/2017/12/15/f503837a-e1cf-11e7-89e8-edec16379010_story.html The list also includes “evidence-based”! WTF?
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- 7 replies
- 1.9k views
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At least not according André Maeder, University of Geneva: Interesting. Let's wait and see.
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- 11 replies
- 2.6k views
- 1 follower
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VETROMECCANICA – APPLICATIONS FOR DIFFERENT CONVEYING SYSTEMS (Dec 13, 2017) Join us on another Live Stream of our Lunch and Learn Webinar Series where we'll discover how different Conveying Solutions can be implemented in different facilities and production lines. This segment will be presented by Daniela Rinaldi Sales Manager at Vetromeccanica. Subscribe here: url deleted
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- 877 views
- 1 follower
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https://nyti.ms/2BxZC3B In this article, a few studies are outlined which indicate that mutualistic relationships may be dependent on individual personalities. Thus mutualism may not be as straightforward as often depicted when one investigates these relationships with higher resolution.
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- 883 views
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MACHOs are dead. WIMPs are a no-show. Say hello to SIMPs: New candidate for dark matter https://phys.org/news/2017-12-machos-dead-wimps-no-showsay-simps.html?utm_source=nwletter&utm_medium=email&utm_campaign=daily-nwletter I suspect the search for dark matter is the search for something that may not exist. Or is a misunderstanding of what space is, and how gravity works.
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- 759 views
- 1 follower
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This IFLS article points to a team that have found that the random walk in the molecules of graphene cause a single sheet of it on a micro scale to flex/snap back and forth from concave to convex from time to time. Put between conducting plates this oscillation causes a trickle charge of power that could be used to power small devices and do away with the need for a replaceable battery. A 10 micron square of graphene sheet produces about 10 micro watts of power continuously apparently. Presumably these could be stacked to produce more. http://www.iflscience.com/technology/graphene-loophole-could-provide-clean-and-limitless-energy-in-the-future/ I thought it look…
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- 3 replies
- 1.3k views
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This IFLS article points to a team that have found that the random walk in the molecules of graphene cause a single sheet of it on a micro scale to flex/snap back and forth from concave to convex from time to time. Put between conducting plates this oscillation causes a trickle charge of power that could be used to power small devices and do away with the need for a replaceable battery. A 10 micron square of graphene sheet produces about 10 micro watts of power continuously apparently. Presumably these could be stacked to produce more. http://www.iflscience.com/technology/graphene-loophole-could-provide-clean-and-limitless-energy-in-the-future/ I thought it look…
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- 709 views
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https://arxiv.org/pdf/1711.03323.pdfReversing the thermodynamic arrow of time using quantum correlations: 9 Nov 2017: Abstract:The second law permits the prediction of the direction of natural processes, thus defining a thermodynamic arrow of time. However, standard thermodynamics presupposes the absence of initial correlations between interacting systems. We here experimentally demonstrate the reversal of the arrow of time for two initially quantum correlated spins-1/2, prepared in local thermal states at different temperatures, employing a Nuclear Magnetic Resonance setup. We observe a spontaneous heat flow from the cold to the hot system. This process is enabled b…
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- 1.3k views
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Professor Arjun Berera from the University of Edinburgh’s School of Physics and Astronomy has authored a paper suggesting that life on earth may have been seeded by cosmic dust streams. And not only that but Earth may be seeding other planets in the same way. A link to the abstract. https://arxiv.org/abs/1711.01895 So apparently we are stardust transported by cosmic dust. Heres an article on the paper. http://www.astronomy.com/news/2017/11/life-in-dust Now click on the link above and go look at the picture of a tardigrade. Please!
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I find this astonishing. Decades of a deep regime seem to be taking a horrible toll. "We are struggling with treatment as we found a large number of parasites in the soldier's stomach, invading and eating into the wounded areas," Lee Guk-jong, the physician who treated him, told the Review. We have also discovered a parasite never seen in Koreans before," Lee said. "It is making the situation worse and causing tremendous complications. It's unclear whether the parasite has been seen in other parts of the world. https://businessinsider.com.pl/international/surgeons-find-parasite-unlike-any-theyve-seen-in-body-of-defector-shot-5-times-while/2fesrj2
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- 4 replies
- 2k views
- 1 follower
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i stumbled on a video on the internet (https://youtu.be/MBeMcgars_w), a stone that melts an iron nail in a few seconds. in another video, it showed there that the iron nail after being exposed to the stone/rock became very brittle. whats the explanation? please help. someone asked me this and i cant give an answer. thank you.
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- 5 replies
- 6.6k views
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Source: Cosmos 23 October 2017. It seems like a pretty sensational claim...and title for the article..?
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- 8 replies
- 2.2k views
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This post paraphrases a youtube video, "Are We Approaching Robotic Consciousness?" by ColdFusion. An experiment was done to demonstrate limited AI consciousness. Consciousness: aware of one's own existence, sensations, thoughts, surroundings, etc. , by dictionary.com. Consciousness is the state or quality of awareness, or, of being aware of an external object or something within oneself. by Wikipedia However, this experiment did not claim AI sentience. Equipment: 3 small robots that can walk, talk, and listen networked with an AI consciousness application running on a computer. Each robot ran a copy of the AI consciousness application. Procedur…
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Electronic engineers see the Electron as an Electrical Phenomenon . Physicists , as a Photon of Energy , NOW , Biologists as a Key Quantum function in living cells !
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- 8 replies
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- 1 follower
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As reported on the Wits University website: Complex life evolved out of the chance coupling of small molecules “Life was a chance event, there is no doubt about that,” says Dr Pierre Durand from the Evolution of Complexity Laboratory in the Evolutionary Studies Institute at Wits University, who led a project to find out how exactly these molecules linked up with each other. Their results are published today in the journal Royal Society OS, in a paper entitled "Molecular trade-offs in RNA ligases affected the modular emergence of complex ribozymes at the origin of life”. Very simple ribonucleic acid (RNA) molecules (compounds similar to Deoxyribonucleic acid (DN…
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- 1 follower
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According to this article in The Atlantic, based on a paper published in Nature: This BBC News article provides a diagrams of the location and size of the newly discovered void. Enjoy!
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- 15 replies
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- 3 followers
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Physicists propose test of quantum gravity using current technology October 27, 2017 by Lisa Zyga Proposed experimental setup to probe the effects of noncommutative structure. Credit: S. Dey et al. ©2017 Nuclear Physics B Physicists have proposed a way to test quantum gravity that, in principle, could be performed by a laser-based, table-top experiment using currently available technology. Although a theory of quantum gravity would overcome one of the biggest challenges in modern physics by unifying general relativity and quantum mechanics, currently physicists have no way of testing any proposed theories of quantum gravity. Read more at: htt…
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An energy release so powerful physicists considered keeping it a secrete. Fusing two bottom quarks release 8 times as much energy as hydrogen fusion! https://www.livescience.com/60847-charm-quark-fusion-subatomic-hydrogen-bomb.html?
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In a recent discussion here at science forums, in a thread related to a similar discussion I explained how some scientists consider all observable matter as just ''longer lived'' fluctuations of the vacuum. This article seems to be related to these kinds of discussions. Scientific American is no stranger to the discussion of virtual particles. https://www.scientificamerican.com/article/something-from-nothing-vacuum-can-yield-flashes-of-light/?utm_content=bufferbfd4d&utm_medium=social&utm_source=facebook.com&utm_campaign=buffer
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- 12 replies
- 1.8k views
- 2 followers
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Interesting slightly pop paper on the subject of Gravitons. (which is still a hypothetical particle) https://arxiv.org/pdf/hep-ph/0701186.pdf
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http://www.sciencemag.org/news/2017/10/why-haven-t-we-had-alien-contact-blame-icy-ocean-worlds Just an interesting (to me) thought.
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According to this National Geographic Article: The article also contains a link to the original paper published on this finding, which definitively doesn't "rewrite human history". Enjoy!
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