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Wikipedia:Reference desk/Archives/Science/April 2013

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Welcome to the Wikipedia Science Reference Desk Archives
The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.



April 1

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Wikipedia:Reference_desk/Archives/Science/2013 April 1

  1. Homeless public school students
  2. Skinning a cat
  3. Ti-4H producers
  4. Space tourism question
  5. hydrocarbon ecology in a fossil fuel economy
  6. The methods scientist use to predict if Earth will get eaten up
  7. How Find A Persons E-Mail Address

April 2

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Wikipedia:Reference_desk/Archives/Science/2013 April 2

  1. Pew Center Research for interracial marriage
  2. What would it take for Google Nose (and other scent-searching services) to actually work?
  3. Illegal drugs
  4. Science (blood pressure vs atmospheric pressure)
  5. Wace examination
  6. chemistry
  7. Placebo effect
  8. Why is ustalic acid a white solid?
  9. is the low testosterone industry just a huge scam?

April 3

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Wikipedia:Reference_desk/Archives/Science/2013 April 3

  1. Finding a star with a specific set of properties.
  2. Rain and shoelaces
  3. Check in time
  4. Economy 7 Fridge/freezer

April 4

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Wikipedia:Reference_desk/Archives/Science/2013 April 4

  1. Alcohol and truth
  2. Pyrethrum
  3. What questions did the greek philosophers ask about light
  4. Flood prediction in the USA
  5. Gradient of a scalar field
  6. why can't normal cells tackle cancer cells
  7. pathophysiology of atherosclerosis
  8. Why is there a current uk shortage of Isosorbide mononitrate heart medication tablets?
  9. what are the capacitors for

April 5

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Wikipedia:Reference_desk/Archives/Science/2013 April 5

  1. Stars that becomes a white dwarf
  2. Hydrogen spectrum picture in hydrogen article
  3. SPACE TRAUMA
  4. Important Questions (about brains and magnets)
  5. Chemistry
  6. Universal life cycles
  7. Elephants and sign language
  8. biology
  9. The lifetime of an alpha particle compared with that of the proton

April 6

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Wikipedia:Reference_desk/Archives/Science/2013 April 6

  1. Can someone, please, correct this messed up navbox?
  2. Tire pressure sensors
  3. Stars

April 7

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Wikipedia:Reference_desk/Archives/Science/2013 April 7

  1. Inflammatory Diseases Caused by Defect in the TLR Pathway
  2. viroids
  3. Are there any planetariums where the dome screens touch the floor?
  4. Source
  5. Check these facts
  6. 24k Silver
  7. East
  8. Effect of galvanisation on steel used as anode in electrolytic rust removal
  9. Sleep Deprivation

April 8

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Wikipedia:Reference_desk/Archives/Science/2013 April 8

  1. Science or religion?
  2. Logic, creativity and ignorance
  3. Rolled up dimensions
  4. Citing retractions
  5. Hydrochloric Acid
  6. AIDS in non-human animals
  7. What's the study of historical people's illnesses called?
  8. MBTs Armor
  9. not to be annoying, but had more question... (concerning hydrocarbons)
  10. Orange dwarf stars left main sequence yet
  11. Evolution of higher mass stars

April 9

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Wikipedia:Reference_desk/Archives/Science/2013 April 9

  1. Colour of water
  2. Mus musculus anatomy and behavior, plus trap physics
  3. Orbital Debris
  4. How do u explain this
  5. biology
  6. Is it true that Homo sapiens idaltu is younger than Homo sapiens sapiens?
  7. Is this a conspiracy theory?
  8. Color Question.

April 10

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Wikipedia:Reference_desk/Archives/Science/2013 April 10

  1. Overlook, Portland, Oregon aka Swan Island
  2. Jewellery chain
  3. Are there materials that turn light into sound?
  4. Bed bug feeding frequency
  5. synthesising DNA
  6. Rabies-like symptoms in ducks

April 11

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Wikipedia:Reference_desk/Archives/Science/2013 April 11

  1. could a black hole exist at the center of a neutron star?
  2. 8th dimensional space
  3. cyanoacrylate bond inhibitors
  4. Perception of pain, which part of the brain is the gatekeeper?
  5. Are there drugs that boosts willpower?
  6. Launching yourself from lying on the ground to upright position using only your arms muscles

April 12

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Wikipedia:Reference_desk/Archives/Science/2013 April 12

  1. Low mass white dwarf actually currently exist
  2. Bird evolution
  3. Sediba's hands.
  4. Motion of electrons
  5. Invasive species
  6. Limits of knowledge
  7. Stud finders
  8. biology
  9. the real star wars universe in 2014?

April 13

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Wikipedia:Reference_desk/Archives/Science/2013 April 13

  1. Minimum population required for the survival of a race.
  2. Seasonality of human hair growth
  3. ques on tetrahedral and octahedral voids
  4. What is a microstate?
  5. Eyesight
  6. Last spacecraft launch to orbit with *one* astronaut?
  7. Cost of RNA vs protein
  8. Spatial Encoding
  9. Plaster of Paris as a structural material yet it is relatively water soluble, what gives?

April 14

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Wikipedia:Reference_desk/Archives/Science/2013 April 14

  1. What is this engine part?
  2. 4D strorage device
  3. Compromised title
  4. RAST
  5. Power-to-weight ratio: electric and combustion motors
  6. Shouldn't this graph be periodic?

April 15

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Wikipedia:Reference_desk/Archives/Science/2013 April 15

  1. The science (if any) of sunglass tints
  2. Blood Circulation
  3. Most populous species
  4. D-mannose
  5. quassia amara L. against glucose
  6. EKG words
  7. What is muscle stiffness and how does massage work?
  8. "seabrid" ?
  9. advanced directives
  10. a book of blood tests (or with another medical laboratory tests)
  11. Buffer Zone
  12. The Great Apes

April 16

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Wikipedia:Reference_desk/Archives/Science/2013 April 16

  1. World population of brown rat
  2. How are subatomic particle conceptualized?
  3. Inter-species sexual attraction
  4. Changing species through genetic engineering
  5. Orbit
  6. Identification query: blue mushroom in the PNW
  7. mathmetics
  8. Main Battle Tank
  9. Planck microwave background data

April 17

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Wikipedia:Reference_desk/Archives/Science/2013 April 17

  1. Water ya doin'
  2. Magnolias in southern Illinois
  3. john s bergheim
  4. Focal length and "Focus" difference.
  5. Caesarean
  6. Non-black-body emission.
  7. Better than a laser printer?
  8. biology
  9. Can you identify these Prunus species?
  10. salt storing tissue?

April 18

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Wikipedia:Reference_desk/Archives/Science/2013 April 18

  1. How to destroy a planet in star completely
  2. Lever frame, again
  3. From nothing
  4. Mental toll of spying
  5. Do great apes dislike each other?
  6. dredging data
  7. how much force is required to form m8 thread on aluminium?
  8. Infinite well
  9. Orbiting rod
  10. Digestion

April 19

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Wikipedia:Reference_desk/Archives/Science/2013 April 19

  1. Unknown salt water animal
  2. recognizing a flower
  3. growing a hair in a petri dish
  4. What is the optimal x-ray balance for sterilization?
  5. What are we doing when we compose?
  6. What is (or was) the neutretto?
  7. Balloon Framing
  8. Dam seepage

April 20

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Wikipedia:Reference_desk/Archives/Science/2013 April 20

  1. the speed of nervous system
  2. Animal courtship & human flirting
  3. Article Existence of God
  4. taking a sample from air for test
  5. Machine identification

April 21

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Wikipedia:Reference_desk/Archives/Science/2013 April 21

  1. life in space, literally
  2. Possible for a man to have kids without ejaculating?
  3. Chemistry for kids
  4. Can a female athlete get back in full shape 2-months after birth?

April 22

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Wikipedia:Reference_desk/Archives/Science/2013 April 22

  1. Why are lasers dangerous?
  2. "Mozart effect" and new vs familiar music
  3. Definition of God
  4. Infinite and eternal universe
  5. Electomagnetic fields to purify water?
  6. Simplest way to represent Graham's number
  7. Light reflection

April 23

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Wikipedia:Reference_desk/Archives/Science/2013 April 23

  1. A Jupiter-sized planets survive being swallowed up by parent star
  2. Electronic welding helmets

April 24

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Wikipedia:Reference_desk/Archives/Science/2013 April 24

  1. Magnetohydrodynamic drive
  2. Robot like thing for children learning by movement
  3. Maximum Burning Temperature
  4. Gulf stream
  5. medicine
  6. Light and gravity
  7. Vertical bright lines from flashlights

April 25

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Wikipedia:Reference_desk/Archives/Science/2013 April 25

  1. Proper motion of stars
  2. About electrification
  3. Finding planets around smaller sized star
  4. Does energy have mass?
  5. Momentum operator in energy basis
  6. Simple Amplifier
  7. Length of minor and major axis of the earth's elliptical orbit
  8. Li-ion batteries in new electronics
  9. Kangaroos hit by cars
  10. Why can't LCDs be made capable of displaying interlaced video?

April 26

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Wikipedia:Reference_desk/Archives/Science/2013 April 26

  1. Experimental results following theory rather than vice versa
  2. Quoting from Hyperphysics
  3. physics
  4. Gym trainers
  5. frogs eggs in lawn
  6. Eternal and infinite time-continuum (Universe/Multiverse/Meta Universe)
  7. Floss first or brush first?
  8. Postnatal clinic
  9. Tilt
  10. Abandoned Tower Crane rotation
  11. Another crackpot theory question
  12. How do I call it?
  13. Holes/tears/cracks in spacetime
  14. Do female hormones make a man weaker?
  15. GMSK modulation vs. 8PSK modulation
  16. Best office plant for artificial light only
  17. Hydrogen manufacture

April 27

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Wikipedia:Reference_desk/Archives/Science/2013 April 27

  1. Legal barriers to blood testing
  2. Aristotelia chilensis/Chilean Wineberry/Maqui
  3. Static electricity powering my lights?
  4. Radiation hazards in drilling, mining and aviation
  5. Do sea horses really 'burp' in order to change their buoyancy?

April 28

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Wikipedia:Reference_desk/Archives/Science/2013 April 28

  1. why do overweight people don't get treated with Adiponectin?
  2. Question about progress of time in world line?
  3. Heat capacity
  4. Relativity: Moving faster than light
  5. What species of bird is this?
  6. Data capacity of vinyl record
  7. Motion Detector Sensor Type Most Used in Door Openers at Stores
  8. Transport of materials within neurons
  9. Biology of exercise - two, very very nice questions
  10. biology
  11. Filariasis and cancer
  12. accuracy of a poll

April 29

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Wikipedia:Reference_desk/Archives/Science/2013 April 29

  1. Beam width of Laser Weapon System (LaWS)
  2. Magnetic field due to rotating sphere
  3. Silicic acid
  4. High energy particles
  5. Muscle mass
  6. Auroral oval
  7. Smart OR beautiful women
  8. Can anyone identify this flower?

April 30

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Wikipedia:Reference_desk/Archives/Science/2013 April 30

  1. Likely
  2. Abwehr
  3. Current = Conductance * Potential difference
  4. Energy in Prokaryotic Cells without mitochondria
  5. Binomial plant names contain special character in url (×) and give a 404 if you put a regular 'x' instead
  6. Unsolved numericals related to electricity
  7. DNA
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