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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.



November 1

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Wikipedia:Reference_desk/Archives/Science/2009 November 1

  1. Numbering of Magicicada broods
  2. What specific type of foam is this? (Think tool/bike grips)
  3. Power vs frequency
  4. lightening shock
  5. career
  6. Inflammatory result of depolarization theory regarding migraines
  7. subsequent natural GMO
  8. PCR for diagnosis of genital warts
  9. chemical induced orgasam
  10. Effect of optimism on health
  11. How much land is needed to support people?
  12. Does phosphorylation occur only with OH / COOH groups?

November 2

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Wikipedia:Reference_desk/Archives/Science/2009 November 2

  1. Hammerhead Sharks
  2. h1n1 vaccine
  3. Is it possible for energy/ information to travel faster than speed of light in the following case
  4. hox and homeotic transformation
  5. carbon monoxide
  6. What happens if a non-depressed person takes anti-depressants?
  7. the form of energy as matter
  8. Definition of species
  9. Centrifugal force in Earth's orbit
  10. Mass spec
  11. Banging your fists from a different perspective
  12. Can the Yarkovsky effect be used for space propulsion?

November 3

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Wikipedia:Reference_desk/Archives/Science/2009 November 3

  1. Mil vs Micron
  2. Best time to buy new houseplants?
  3. Elements formed by a hydrogen bomb detonation
  4. composite spectral waveform of each element
  5. DIY amatuer water quality testing for real nasties like mercury, et al ?
  6. aluminum-zinc alloys
  7. Information on shoulder/chest area anatomy (Medical Science)
  8. melanin benefit vs cancer risk
  9. How is heat transfered from one body to another?
  10. What species is the mushroom in this photo?
  11. Noon in the tropics
  12. ptsd
  13. Glitch in thermochemistry calculation
  14. looking at yellow or bright purple stuff for a long time
  15. UFO identification
  16. vision acuity over 20/400
  17. Human - 23 chromosome pairs
  18. Biological distinction between Sickness and Contagiousness in Contagious diseases.
  19. If "Big bang" is accurate...

November 4

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Wikipedia:Reference_desk/Archives/Science/2009 November 4

  1. Spiritual Science. Rectifying Hypotheses
  2. Name reactions in Chinese Wikipedia
  3. universities
  4. Was the discovery of evolution "inevitable" in the 19th Century? Why
  5. self-ionisation of glacial acetic acid
  6. Current and time threshold
  7. reactivity esters v. carboxylic acids
  8. fetus/mother sharing
  9. Antabus
  10. Opting out of evolution in biology classes
  11. Bears can play hockey?
  12. Harmful beryllium oxide in ceramic insolators

November 5

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Wikipedia:Reference_desk/Archives/Science/2009 November 5

  1. A sculptor who works in dark matter
  2. What cognitive changes take place at birth?
  3. Maximum rate of a energy delivered for a given voltage
  4. Flame tests
  5. What is the capacitance of a black hole?
  6. cosmatics
  7. Insolation
  8. Properties of alcohols
  9. Uncompressed image file formats other than .bmp files
  10. Sticking finger
  11. Solitude drove the old hermit crab insane.
  12. 'Diesel' engine
  13. Drosophila melanogaster and human genome homology
  14. Hydrogen orbital average radius in terms of energy level.

November 6

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Wikipedia:Reference_desk/Archives/Science/2009 November 6

  1. Al
  2. progenitor cells
  3. Stability of slopes
  4. Evolution of the hinged fang?
  5. Difference between airport and aerodrome
  6. strength of a C-C bond
  7. Camphire in singapore
  8. sulfuryl chloride: how does it replace a C-OH bond with a C-Cl bond?

  9. π0
     decay
  10. Fluid mechanics
  11. GRAVITATIONAL RED/BLUE SHIFT
  12. Infinite differential method
  13. Bird bones
  14. Emission spectra
  15. 5-membered dioxane formation from a sugar
  16. Age Re-Perfect Pro-Calcium L'Oréal Paris
  17. Buteyko method
  18. Killing Viruses
  19. effeminacy
  20. Floor Stain (help!)
  21. calculating the pH of a solution with a polyprotic amino acid

November 7

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Wikipedia:Reference_desk/Archives/Science/2009 November 7

  1. Name that chemical
  2. is it possible I received permament eye damage from briefly handling apple's laser mouse at an Apple store.
  3. Taxonomy
  4. Is lightning a spark?
  5. Torch lights
  6. Why do my glasses have a shadow?
  7. Batteries in plastic bags
  8. I took these photos of animals for WP, but I'm not sure what they all are =(
  9. Rechargeable batteries
  10. Luxon theory concerning tardyons
  11. why isn't the Wolf-Kishner reduction or the Clemmensen reduction used for meth synthesis?
  12. energy vs frequency

November 8

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Wikipedia:Reference_desk/Archives/Science/2009 November 8

  1. Convict Fish
  2. Nimh substitute for Nicad?
  3. Kinematics Question
  4. are quantised values always rational?
  5. pharmaceutical questions
  6. aminoacyl-tRNA bond
  7. Occam's razor + envenomation immunity
  8. Two questions: swine flu in rodents, and ladybugs in November
  9. Proteus Syndrome or Brittle Bone disease
  10. Can alpha-carbon protons (in a carbonyl/ketone) hydrogen bond?
  11. Calculated Error query

November 9

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Wikipedia:Reference_desk/Archives/Science/2009 November 9

  1. Topical decongestant
  2. Gay-Lussac's law and Degrees of Freedom in Calculating the Final Temperature of a Gas Undergoing Adiabatic Compression
  3. how do I turn a chloramine back into an amine
  4. cyanide...
  5. Source of Neutron star magnetic field
  6. Evolution
  7. Quotes from an Inventor
  8. Girls to stop growing
  9. magnetics question
  10. sterics of proteins and interactions between R groups
  11. What arthropod is this?

November 10

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Wikipedia:Reference_desk/Archives/Science/2009 November 10

  1. Urinary tract infections messing with the mind
  2. Port transportation and inventory cost with lead time consideration
  3. Blood Donation and Alcohol Consumption
  4. Help identifying a bird
  5. Energy stores after exercise
  6. (Biology) Attraction to super-natural features?
  7. Dissociation
  8. Mis-information about the "Great Pyramid"
  9. Organ donation system in the US
  10. blood type
  11. SPC wants you
  12. Science and Technology?
  13. Rhesus antigens other than D

November 11

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Wikipedia:Reference_desk/Archives/Science/2009 November 11

  1. Shipping a private vehicle from the US to China
  2. exercising in smog
  3. Electromagnetic Fields
  4. Honey sugar
  5. Speed of gravitons in a black hole?
  6. heptane, 3-methylene-
  7. Iron ore question
  8. Do crocodiles care for their young? (Schnappi)
  9. Diet of crocodile hatchlings (also Schnappi related)

November 12

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Wikipedia:Reference_desk/Archives/Science/2009 November 12

  1. Distance
  2. Laser apperance
  3. A-A bonds are weaker than A-B bonds, which are in turn weaker than B-B bonds
  4. why are eutectic isotherms, well, isoterms?
  5. Hollow core conccrete slabs
  6. Social memory
  7. Height of a bed
  8. Emission spectra (II)
  9. question on strength
  10. Farsightness
  11. Color vision
  12. Does anyone know which materials are used for shielding against infrasound and ultrasound?
  13. How do we program ourselves?

November 13

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Wikipedia:Reference_desk/Archives/Science/2009 November 13

  1. Hollow pipe stronger than solid bar
  2. metals and stones
  3. chicken and the egg
  4. Deaths caused by malaria?
  5. Is this a springtail?
  6. p+ and p- mitochondrial genomes
  7. LHC
  8. Leukemia transfusions
  9. Picture of ferrofluid in oil
  10. Polyploidy in humans
  11. Sense of impending doom
  12. EMP
  13. multiple ccd chips or cameras
  14. has the lhc collided the particles yet
  15. Looking for Raccoon Penis
  16. Possible signs of global warming, or just common phenomena?
  17. definition of 'oxychemical'
  18. is anything reproduceable not part of science?
  19. What type of soda?
  20. Two girls, one baby (or two guys, one baby) - artificially fertilising an ovum using two ova nuclei or to sperm nuclei
  21. What would happen...

November 14

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Wikipedia:Reference_desk/Archives/Science/2009 November 14

  1. Blood Type Compatibility
  2. Schrödinger's cat - can you actually stop observing it?
  3. origin of a cyclone
  4. Ferrofluid buoyancy?
  5. Hanging
  6. bipolar disorder
  7. homeostasis during illness
  8. LHC beam dump
  9. Rising longevity and the remaining number of years of expected survival

November 15

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Wikipedia:Reference_desk/Archives/Science/2009 November 15

  1. Lucid dreaming
  2. Hunger
  3. Phone and Paper Shredder
  4. cancer
  5. Evolutionary advanage of nervousness?
  6. How long will lunar water last?
  7. Copepod parasite?
  8. How do paramedics repair severed arteries?
  9. Psychology
  10. Queen Ant
  11. bipolar disorder
  12. Feeling in eyes.
  13. Looking for the name of a knot similar to the clove hitch
  14. activity vs sleep on mountains
  15. self-serve check-outs and phone answering systems
  16. Rechargeable battery
  17. Human Scent
  18. a purely conceptual thought experiment
  19. Type 1 Diabeetes - Sugar allowed in a can of drink
  20. Toxicity of hydrogen peroxide
  21. Heteroaromatic Chemistry Problem
  22. discoloration in schitzu's hair

November 16

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Wikipedia:Reference_desk/Archives/Science/2009 November 16

  1. Centrifugal force
  2. Stone artifact need help with what it is...
  3. tuned circuit
  4. Tsar Cannon with two ton cannonballs?
  5. String theory and GUTs
  6. Recreating extinct species
  7. Re-expanding a shrunk cotton shirt
  8. Flying Machine
  9. not exactly dreaming?
  10. mathematcal model of PMSM/AC servo motor
  11. anembryonic gestation
  12. Special Relativity
  13. Recycling
  14. Do arrows have "lift"?
  15. Dreaming
  16. microwave cooker question
  17. How could an infinite universe expand?
  18. Why isn't more money spent on SETI?

November 17

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Wikipedia:Reference_desk/Archives/Science/2009 November 17

  1. Name of process in which complex material things appear from nowhere?
  2. Why is urea planar?
  3. What is a scientific body of national or international standing?
  4. Further digital television enquiry
  5. The Mystery of Almond Milk
  6. species diversity
  7. Scar removal?
  8. Flying birds that are very weak in the air
  9. Elevator stuck
  10. What's the strongest acid and the strongest base?
  11. Expansion of the universe
  12. fermentation - what's the correct term for this?
  13. snowboard jump equation/formula

November 18

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Wikipedia:Reference_desk/Archives/Science/2009 November 18

  1. Fluoroantimonic acid
  2. Need derivations of the solar insolation inside earths atmosphere and latitude at any point
  3. Dog Whisperer
  4. what canadian animal stores apples in the fork of branches ?
  5. Knife against bone / nails on a chalkboard
  6. Directed graph condensation terminology
  7. Accuracy of Sonar?
  8. 8 or 9 abreast seating in Airbus A300 & A330 airliners.
  9. Why do you feel more tired after a few hours sleep than when you went to bed?
  10. health care
  11. Small passive solar water heater
  12. Aluminum borohydride
  13. Evolution of separate sexes
  14. ATSC standards
  15. Vacuum-Forming PMMA (Acrylic)
  16. Do you expend more energy with intense exertion over a smaller exertion for a longer period of time?

November 19

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Wikipedia:Reference_desk/Archives/Science/2009 November 19

  1. Photo-electric cells for the home?
  2. Definition of “taxon”
  3. Nut
  4. Least Densest Fabric
  5. Looking for a particular female scientist.
  6. Boating the Amazon River
  7. smoke stream

November 20

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Wikipedia:Reference_desk/Archives/Science/2009 November 20

  1. Temperature's Affect on Metabolic Activity
  2. Technical question about movie cameras used in traditional filmmaking
  3. Static electricity
  4. Lunar water
  5. Unit conversion
  6. biotechnology - monoclonal antibody
  7. aluminium chloride colorimetry
  8. Fevers and Calories
  9. Creationist evolution
  10. The Universe
  11. Can anyone identify this plant?
  12. Signs of global warming?
  13. Are plants able to use Creatine to produce ATP?

November 21

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Wikipedia:Reference_desk/Archives/Science/2009 November 21

  1. Yet another "identify this bug" question for the entomologists out there
  2. CAN matter be split into any arbitrarily small quantity?
  3. Solar fuel generating and storage supertanker
  4. CFC Project Help
  5. Wow! signal distance
  6. Chemistry: M.P Test
  7. Some transistors not used in an FPGA?

November 22

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Wikipedia:Reference_desk/Archives/Science/2009 November 22

  1. Meissner Effect
  2. looking for full moons
  3. Relativity of simultaneity help in the following case
  4. Question about gull behaviour (could apply to any reasonably intelligent animal, really)

November 23

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Wikipedia:Reference_desk/Archives/Science/2009 November 23

  1. Is there a dry lips gene?
  2. acidity of dimedone, barbituric acid and acetylacetone
  3. How does dietary fiber affect absorption of nutrients/pharmacueticals
  4. North Africa from the sky
  5. Matter
  6. which is the acidic amide in uric acid?
  7. muscle metabolism
  8. How to flatten the pages of damp books?
  9. Brightest stars in the sky?
  10. Terrestrial Leeches - Are they harmful to pets?
  11. Appearance of the moon 2 million years ago
  12. Edman degradation help!
  13. acetic anhydride isn't symmetrical?

November 24

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Wikipedia:Reference_desk/Archives/Science/2009 November 24

  1. Why are carbon atoms in carbon nanotubes bonded to only 3 other atoms?
  2. Blood glucose levels and exercise
  3. cancer
  4. Diving support vessel
  5. Human Anatomy
  6. mind altering drugs
  7. rise in temperature
  8. Flat-nose feature of the actor in Twilight
  9. beetleguese supernova
  10. Eye color changing mammal
  11. Max. temperature
  12. Shape of a black hole
  13. How does the Transit of Venus allow calculation of the distance from the earth to the sun?
  14. Speed Of Light

November 25

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Wikipedia:Reference_desk/Archives/Science/2009 November 25

  1. Monstrous shape-shifting owl
  2. Early Hominina finding in Americas
  3. Hood Canal "tide computer"
  4. Type of truss bridge
  5. Dehumidifiers and climate change control
  6. do blue tulips occur in nature?
  7. North Sea gas
  8. overies
  9. Balancing chemical equations
  10. How does an increased heart-rate stimulate the body's metabolism?
  11. Freezing contents of deeply chilled liquid.
  12. Finding power factor
  13. Ionic food preserver

November 26

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Wikipedia:Reference_desk/Archives/Science/2009 November 26

  1. age of atoms
  2. Both analog and digital possible?
  3. Sun looks different in size
  4. How big can a Thanksgiving turkey be?
  5. hoax? Bulgarian scientist claims alien contact
  6. How does the body sense temperature?
  7. harmful aspiration

November 27

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Wikipedia:Reference_desk/Archives/Science/2009 November 27

  1. Does blood really thicken in cold weather?
  2. quantum mechanis
  3. theoretical chemistry
  4. which are the compounds in which boron has -3 oxidation state?
  5. Deep sea fish: do we know how the buggers cope with the insane pressures?
  6. is it hard to make vacuums?
  7. Moon Landing
  8. quantum mechanics
  9. statistical testing for a feeling of being watched
  10. hydride donors and nitrogen
  11. Seagull ID needed

November 28

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Wikipedia:Reference_desk/Archives/Science/2009 November 28

  1. Time dilation and multiplayer games
  2. Betelgeuse
  3. Military Equipment
  4. Isomorph only in Developmental Biology?
  5. Are there people with two anuses?
  6. How exactly would FTL violate causality?
  7. Optimum positioning of bookshelf brackets?
  8. Disease question

November 29

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Wikipedia:Reference_desk/Archives/Science/2009 November 29

  1. Solutes
  2. Coffee problem
  3. Cope elimination
  4. Molecular structure
  5. Earth's season
  6. Evaporating water
  7. How do I prevent wrinkles around my eyes
  8. What happens after a Pulmonary embolism?
  9. Citing this CDC webpage
  10. hydride donation to amides
  11. Recognising, just with a glance, that a squeleton is the one of an americain
  12. The speed of the reaction Ca(OH)2+CO2

November 30

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Wikipedia:Reference_desk/Archives/Science/2009 November 30

  1. Do microwaves disrupt Wi-Fi signals?
  2. Artificial black hole
  3. Question
  4. Di-t-boc
  5. 1,3 carbon overlap in carbon backbones
  6. Map of the Moon
  7. Blooming of flowers.
  8. Antidepressants losing effectiveness over a decade.
  9. Looking for planets visibility
  10. Ray-tracing for sound not light
  11. premolut n
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