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4pm Fri 11 May 2012 - /r/science
1. [For more than a decade, scientists have tried to improve lithium-based batteries by replacing the graphite in one terminal with silicon, which can store 10x the charge. But after just a few cycles, the silicon structure would crack and crumble, rendering the battery useless. Not anymore.](http://phys.org/news/2012-05-nanostructure-batteries.html) ^phys.org ^[*comments*](http://reddit.com/r/science/comments/ti3ft) ^science 2. [The oldest-known version of the ancient Maya calendar has been discovered. "[This calendar] is going to keep going for billions, trillions, octillions of years into the future. Numbers we can't even wrap our heads around."](http://www.livescience.com/20218-apocalypse-oldest-mayan-calendar.html) ^livescience.com ^[*comments*](http://reddit.com/r/science/comments/tgt8e) ^science 3. [FDA panel backs HIV prevention drug](http://www.cnn.com/2012/05/10/health/hiv-drug/index.html) ^cnn.com ^[*comments*](http://reddit.com/r/science/comments/ti1ih) ^science 4. [Vesta is the only remaining example of the original objects that came together to form the rocky planets, like Earth and Mars, some 4.6 billion years ago. This assessment is based on data from the Dawn probe. ](http://www.bbc.co.uk/news/science-environment-18027933) ^bbc.co.uk ^[*comments*](http://reddit.com/r/science/comments/ti244) ^science 5. [Scientists have discovered an enzyme that corrects the most common mistake in mammalian DNA.](http://phys.org/news/2012-05-enzyme-million-faults-dna-replication.html) ^phys.org ^[*comments*](http://reddit.com/r/science/comments/tgmdp) ^science 6. [As scientists have been able to see farther and deeper into the universe, the laws of gravity have been revealed to be under the influence of an unexplained force.](http://phys.org/news/2012-05-penn-astrophysicists-gravity-theory.html) ^phys.org ^[*comments*](http://reddit.com/r/science/comments/ti6ax) ^science 7. [Toothless No More ? Researchers Using Stem Cells to Grow New Teeth | Singularity Hub](http://singularityhub.com/2012/05/10/toothless-no-more-researchers-using-stem-cells-to-grow-new-teeth/) ^singularityhub.com ^[*comments*](http://reddit.com/r/science/comments/ti7fl) ^science 8. [Botanists have discovered a symbiotic relationship between a carnivorous plant and a species of ant, where the ants living in the plant fight off enemies and feed it with their feces.](http://www.wired.co.uk/news/archive/2012-05/10/carnivorous-plants-eat-ant-poop) ^wired.co.uk ^[*comments*](http://reddit.com/r/science/comments/tgnck) ^science 9. [One-two punch knocks out aggressive breast cancer cells](http://medicalxpress.com/news/2012-05-one-two-aggressive-breast-cancer-cells.html) ^medicalxpress.com ^[*comments*](http://reddit.com/r/science/comments/ti1f1) ^science 10. [We decoded the nature of the leaf. Artificial leaf can turn water into hydrogen energy and oxygen, powered by sunlight.](http://www.sciencedaily.com/releases/2012/05/120509123900.htm) ^sciencedaily.com ^[*comments*](http://reddit.com/r/science/comments/tfsbz) ^science 11. [Long-lived rodents have high levels of brain-protecting factor - From infancy to old age, naked mole rats are blessed with large amounts of a protein essential for normal brain function.](http://scienceblog.com/54276/54276/) ^scienceblog.com ^[*comments*](http://reddit.com/r/science/comments/ti56e) ^science 12. [Stone-Throwing Chimp Is Back - researchers conclude that he deliberately engaged in deceptive concealment of the stones, and that this was a new, innovative behavior on his part.](http://news.sciencemag.org/sciencenow/2012/05/stone-throwing-chimp-is-back.html?ref=hp) ^news.sciencemag.org ^[*comments*](http://reddit.com/r/science/comments/tgekj) ^science 13. [Previously unknown ancient language found on a clay tablet in Turkey](http://www.sci-news.com/archaeology/article00311.html) ^sci-news.com ^[*comments*](http://reddit.com/r/science/comments/ti319) ^science 14. [Our Sun Moves More Slowly Than Thought - The sun is zipping through interstellar space more slowly than once thought, suggesting the giant shock wave long suspected of existing in front of the sun is not actually there, researchers say.](http://www.scientificamerican.com/article.cfm?id=our-sun-moves-more-slowly-than-thought) ^scientificamerican.com ^[*comments*](http://reddit.com/r/science/comments/ti7to) ^science 15. [A new species of photosynthetic bacterium has come to light: it is able to control the formation of minerals within its own organism. This finding has important implications for the interpretation of the ancient fossil record.](http://phys.org/news/2012-05-bacterium-intracellular-minerals.html) ^phys.org ^[*comments*](http://reddit.com/r/science/comments/ti7m5) ^science 16. [Singapore scientists from Bioprocessing Technology Institute have for the first time, identified the molecular ?switch? that directly triggers the body?s first line of defence against pathogens, more accurately known as the body?s ?innate immunity?. ](http://medicalxpress.com/news/2012-05-scientists-boost-anti-viral-response-infectious.html) ^medicalxpress.com ^[*comments*](http://reddit.com/r/science/comments/ti6f0) ^science 17. [The genetic architecture of economic and political preferences: PNAS](http://www.pnas.org/content/early/2012/05/02/1120666109) ^pnas.org ^[*comments*](http://reddit.com/r/science/comments/ti3pd) ^science 18. [Chimpanzee Hides Stones to Throw at Zoo Visitors: PLoS One ](http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0036782) ^plosone.org ^[*comments*](http://reddit.com/r/science/comments/tgdzv) ^science 19. [Free-floating planets in the Milky Way outnumber stars by factors of thousands](http://phys.org/news/2012-05-free-floating-planets-milky-outnumber-stars.html) ^phys.org ^[*comments*](http://reddit.com/r/science/comments/tghyv) ^science 20. [Troll detection through emotional persistence in IRC chats](http://dgarcia.eu/?p=12) ^dgarcia.eu ^[*comments*](http://reddit.com/r/science/comments/thvhs) ^science 21. [Genetic packing: Successful stem cell differentiation requires DNA compaction, study finds](http://phys.org/news/2012-05-genetic-successful-stem-cell-differentiation.html) ^phys.org ^[*comments*](http://reddit.com/r/science/comments/ti1mj) ^science 22. [Natural selection, still a thing.](http://www.sciencedaily.com/releases/2012/04/120430152037.htm) ^sciencedaily.com ^[*comments*](http://reddit.com/r/science/comments/tgqyp) ^science 23. [Row over 'anti-ageing molecule' resveratrol rumbles on](http://blogs.nature.com/news/2012/05/row-over-resveratrol-rumbles-on.html) ^blogs.nature.com ^[*comments*](http://reddit.com/r/science/comments/thub7) ^science 24. [Psychopathy linked to brain abnormalities](http://www.kurzweilai.net/psychopathy-linked-to-brain-abnormalities) ^kurzweilai.net ^[*comments*](http://reddit.com/r/science/comments/ti8un) ^science 25. [Game Over for the Climate: Canada?s tar sands contain twice the amount of carbon dioxide emitted by global oil use in our entire history.](http://www.nytimes.com/2012/05/10/opinion/game-over-for-the-climate.html) ^nytimes.com ^[*comments*](http://reddit.com/r/science/comments/ti8i3) ^science 26. [A new dashboard made of flexible plastic and oxide layer could in the future be integrated into the car front window to give the driver direct information.](http://www.youris.com/Nano/Electronics/A_New_Flexible_And_Transparent_Dashboard.kl) ^youris.com ^[*comments*](http://reddit.com/r/science/comments/ti8gm) ^science 27. [Every issue of New Scientist from 1956 to 1989](http://books.google.com/books/about/New_Scientist.html?id=4BfSdk4mJfcC&redir_esc=y) ^books.google.com ^[*comments*](http://reddit.com/r/science/comments/tht5m) ^science 28. [Oldest Mayan calendar unearthed - Archaeologists report a striking find in Guatemala of the first Mayan art on a wall, as well as the oldest known Mayan calendar.](http://www.bbc.co.uk/news/science-environment-18018343) ^bbc.co.uk ^[*comments*](http://reddit.com/r/science/comments/tgu2u) ^science 29. [Environment Agency head, Lord Smith, has backed fracking. We find out how oil in water analysis can monitor this controversial process.](http://www.labnews.co.uk/features/monitoring-revolution/) ^labnews.co.uk ^[*comments*](http://reddit.com/r/science/comments/ti73r) ^science 30. [Scientists Find Yet Another Link Between Alcohol and Breast Cancer - Teen drinking leads to benign breast disease, which drastically raises the risk of developing malignant tumors.](http://www.theatlantic.com/health/archive/2012/05/scientists-find-yet-another-link-between-alcohol-and-breast-cancer/257041/) ^theatlantic.com ^[*comments*](http://reddit.com/r/science/comments/ti71m) ^science 31. [People with a work or school schedule that is misaligned with their natural sleep rhythm are more likely to be overweight or obese.](http://news.sciencemag.org/sciencenow/2012/05/is-your-alarm-clock-making-you.html) ^news.sciencemag.org ^[*comments*](http://reddit.com/r/science/comments/tgvsg) ^science 32. [Archaeologists discover lost language - Evidence for a forgotten ancient language which dates back more than 2,500 years, to the time of the Assyrian Empire, has been found by archaeologists working in Turkey. ](http://phys.org/news/2012-05-archaeologists-lost-language.html) ^phys.org ^[*comments*](http://reddit.com/r/science/comments/tgaxq) ^science 33. [Researchers point to link between hair colour and rare birthmarks - REDHEADS are more likely to be born with a rare form of birthmark, according to a study of Bristol children](http://www.nature.com/jid/journal/vaop/ncurrent/full/jid201295a.html?WT.mc_id=RD_NPG) ^nature.com ^[*comments*](http://reddit.com/r/science/comments/thyql) ^science more