Wikipedia:Reference desk/Archives/Science/May 2009

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Welcome to the Wikipedia Science Reference Desk Archives
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May 1[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 1

  1. Elephants are good mimics?!?!
  2. Swine flu question
  3. midlatitude cyclogenesis -- exactly how do low pressure systems deepen?
  5. To steve baker buddy about sodium
  6. geostrophic/gradient wind and equilibrium
  7. lifespan of dinosaurs
  8. Mobile phone radiation
  9. Radio waves and humans
  10. most common basics to staying beautiful
  11. medium oil
  12. acid question
  13. Creation of A Death Note?
  14. Instincts in Humans
  15. Materials science
  16. Please help identify the correct species of this butterfly
  17. Please help identify the correct species of this bird / duck / egret - what ever it is!
  18. Alcohol (hand sanitizer, communion wine) and the flu

May 2[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 2

  1. Correspondence section of scientific journals
  2. Term for sounds or smells that trigger past memories
  3. Hairy
  4. Tear duct plugs
  5. Speakers
  6. Why can we envision things from before we were born?
  7. Speed of Electricity Part II
  8. B vitamins and stress?
  9. Are all sexually reproducing animals genetically unique?
  10. Science Channel Documentary and Quantum Uncertainty
  11. Infinite speed communication
  12. Liquid to solid phase change due to shock

May 3[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 3

  1. virus evolution
  2. Broken leg on a horse = death sentence?
  3. Wikipedium
  4. What happened to this gentleman?
  5. Gyroscopic couple
  6. Best shape of a blade to cut through a homogenous medium?
  7. Tsunami hit US?
  8. Pigs in Egypt
  9. What is the Weight of the Earth in Pounds?
  10. Is milk marked as hazardous
  11. how do I frickin slice bread???
  12. Endergonic but exothermic reaction
  13. Unecessary use of radioalablled nucleotides?

May 4[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 4

  1. Charging small objects
  2. Lenz's law and equilibrium
  3. Do container ships carry containers in their holds?
  4. dimensions
  5. foods that are unsafe COMBINED in stomache?
  6. shelf life of ammo
  7. Time travel (sorry)
  8. Processional orbit
  9. Spring stiffness

May 5[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 5

  1. meaning of computer
  2. Steve Baker
  3. Overeating fish
  4. Help understanding a poem
  5. sawtooth wave amplifire.
  6. How to convert between micrograms per ml and parts per million?
  7. Extra-specific contagious yawn
  8. Stabbing the brain dead
  9. Act of (Human) Crying
  10. Standing on the world's axis
  11. Cross-breeding: human + something
  12. Digital audio player with resume-from-playlist function
  13. Best sources
  14. Buoyant plume
  15. spinning
  16. Group velocity of a monochromatic wave

May 6[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 6

  1. Wouldn't adding any potential energy to a system make something infinitely massive?
  2. Gravity well thought experiment
  3. Pls help me wid my hw?
  4. Noisy flies
  5. Cartridge specifications
  6. Can you explain me this?
  7. Spider Question
  8. planetary search
  9. Can our hops, or released bodies from the ground cause slip with respect to the Earth rotation?
  10. Stirring vs. jiggling
  11. Russian "quarantine" after spaceflight?
  12. Birds tapping on windows

May 7[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 7

  1. IQ
  2. Dudaterin
  3. Race of the Future
  4. Living fungus?
  5. Fly sounds
  6. Double Slit Experiment
  7. Science and believe
  8. Saw sheet of tiny plant 1/8th inch high
  9. where's the article for NH2COOH?
  10. What causes fishy odour?
  11. Relation between two angles in doppler effect
  12. Mercury and Venus
  13. EU / US mpg difference
  14. Ringnecked parakeet

May 8[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 8

  1. Skin color in Hindu art
  2. Gravitational potential of an 'eccentric' object
  3. How to ensure 100% RDA with supplements?
  4. neutrons, protons and electrons
  5. Surface tension
  6. British bird identification/song question
  7. Identifying a tree
  8. Magnatite and hydrochloric acid
  9. Random number
  10. When two waves intercept at a right angle
  11. youtube
  12. mWS in a mesurement of pressure drop
  13. buffer solution
  14. Speed of magnetic and electric fields
  15. Carbon Dioxide and Dry Ice
  16. Aluminium in tap water, tea, vegetables, and foods?

May 9[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 9

  1. Cockatiel Blues
  2. Thought Experiment: Perpetual Energy
  3. MSUD in Adults??
  4. Earthquakes
  5. Electric circuit for highpower sawtooth wave output.
  6. Downshifting vs. braking
  7. Climate change vs. Global warming
  8. marine diesel engine
  9. Kc calculation
  10. teeth
  11. Class of drug
  12. How a factory works
  13. Net charge of earth
  14. Polynomial in several variables
  15. cloud formation
  16. Pur water filter.
  17. Light bulb
  18. Balanced symbol equation

May 10[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 10

  1. Microwave oven question
  2. has there ever been a double-blind study of any of the claims of the bible?
  3. Quark strangeness and charm
  4. Submarine hull breach
  5. The volume of ice at the north and south ice caps and Greenland?
  6. Time Travel
  7. Psychokinesis
  8. Why do males have nipples?
  9. Physical error in Star Trek?
  10. the sun's limb
  11. Lightning Photographs

May 11[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 11

  1. Quanta
  2. Hypocenters
  3. Chimera
  4. "God probably doesn't exist"
  5. Does half the voltage mean half the power?
  6. What are the benefits of a tree structure?
  7. Mutants leaving home to adapt

May 12[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 12

  1. cold virus and cold water
  2. using computer and eye problems
  3. Temperature of the Exosphere
  4. dogs and grass
  5. Is the speed of everyones brain similar?
  6. units
  7. molecules and electrons
  8. What's That Bug, episode 271,828,183
  9. electrons and molecules
  10. Removing COSTAR from Hubble
  11. egg yolks
  12. Common liquids
  13. magnetic rotation
  14. Redox
  15. Keeping strong alcohol in plastic bottles

May 13[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 13

  1. Blood in near vacuum
  2. Runway threshold markings
  3. Potential energy
  5. Hypnotic state of mind while watching t.v.
  6. Sound Energy Converter
  7. megawatt to kg, dm and minute
  8. So I just measured my penis size, why am I not happy with it?
  9. Why does sticking your thumb on a water hose make the water come out faster?
  10. why do women love chocolate
  11. Perspective of an electron
  12. Grumbling Tummy

May 14[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 14

  1. Zoological Society of London - Presidents and Secretaries
  2. Nature of electron
  3. Future remote DNA sampling
  4. average life of furniture?
  5. 'Bubbles' in the Sky
  6. Name that disease
  7. Faffing about in space
  8. global positioning system
  9. SI to cgs
  10. meiosis
  11. enhanced oil recovery
  12. what is nitrostyrene?
  13. KCN
  14. Climate Chart Search
  15. Rockets

May 15[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 15

  1. Can tame, captive-bred animals be used to breed offspring that can be returned to the wild?
  2. Huntington's disease in Scotland
  3. Making the Rage Virus
  4. Partial Pressure
  5. Yet another perpetual motion machine
  6. molarity
  7. Gene Accession to Protein ID conversion
  8. Wet, Soap, Wash, Rinse, Dry
  9. What is reality ?
  10. Left/right and relativity
  11. Identify this military equipment
  12. calculation
  13. Biomass
  14. EARTH
  15. units

May 16[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 16

  1. Dryer sheets
  2. Digestion
  3. Bird identification
  4. Suicide Bridge
  5. Age and energy
  6. Swans - can they break your arm?
  7. is there any evidence that the NSA uses Papal infallibility?
  8. How to identify flowering plants - both wild and garden?
  9. Adaptation or death effect?
  10. Minimum force to break an arm (inspired by swan question above)
  11. HIV antibody testing
  12. Metal Salts
  13. quantum mechanics
  14. Is it physically possible to rip a man's arm off with your bare hands?
  15. Infinite Improbability
  16. Science Desk Question
  17. TB treatment that grants immunity to lung cancer?
  18. Time Zones

May 17[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 17

  1. what spider is this?
  2. Variable Frequency Sine Wave Generator
  3. Human digestive system - top speed? ;-)
  5. Egg crystals?
  6. Little gas poker
  7. What is the name of this bird?
  8. HIV and preeclampsia
  9. LOL
  10. Magic and illusion
  11. Lye in a swimming pool

May 18[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 18

  1. Dry skin itch
  2. Evidence of a civilization a billion years ago
  3. coefficient of volume elasticity
  4. dimensional analysis
  5. Brain health
  6. Houseplant identification please...
  7. Earth Rotation Effects
  8. name that snake
  9. 8D type batteries
  10. Name that fluffy white lint bug!
  11. Radios in tunnels
  12. fuel stability
  13. Does space feel cold?
  14. Plastics, Playdough and thermoelastisity
  15. Identifying some Australian animals from Sydney Wildlife World

May 19[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 19

  1. Tree questions
  2. dimensional question
  3. explosive force calculation based on weight.mythbusters??
  4. cats landing on their feet
  5. mass increase or mass energy equivalence
  6. artifact hoaxes
  7. momentum and relativity
  8. biomedical projects?
  9. Number of individual lifeforms on this planet?
  10. Film speed vs. digital gain?
  11. Amount of vegetable fat in ml
  12. Involuntary digestive organs?
  13. Climate Variation
  14. Radios in tunnels
  15. fuel stability
  16. Does space feel cold?
  17. Plastics, Playdough and thermoelastisity
  18. Identifying some Australian animals from Sydney Wildlife World

May 20[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 20

  1. What labs, books, and conferences are there about research on the neuroscience of empathy?
  2. Throwing a ball of wool (or twine) to a lion/tiger...
  3. Genus
  4. Butterflies/moths identification
  5. Work = Force*Distance or = Force*Time?
  6. How to best boil water?
  7. Unability to lose fat?
  8. CO2
  9. Hubble Propulsion
  10. Setup to play music in apartment
  11. Human Skulls
  12. mt doom
  13. Professional sport gamblers
  14. Early primate Darwinius shown at keyboard?

May 21[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 21

  1. Coraline and Real-D
  2. Velocity profile of typical 12V DC electric motor
  3. Was the ice age cold enough?
  4. When birds sleep...
  5. On the topic of thunderstorms and humans
  6. Avoiding sexual arousal
  7. Rules of thumb to identify wildflowers?
  8. Biology - water
  9. Self-suggestibility - link to confabulation?
  10. Carbon Monoxide Poisoning
  11. Scanning western blots randomises results...
  12. Energy from walking feet

May 22[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 22

  1. does THC cause weed's smell?
  2. Hypermetropia
  3. Lilac bushes
  4. BTU'S produced by a conventional 4 or 6 cylinder engine
  5. List of longest rivers in Poland
  6. Eating too little fats
  7. Question
  8. Question 2
  9. How long before the earth runs out of food?
  10. food web
  11. Phlegm and vocal range
  12. Calulating the Surface Area of the Human Body
  13. Hip anatomy
  14. When did fruit bearing plants first evolve and what was the first fruits?
  15. Dendritic cells
  16. What is the average pushing power of a man in psi
  17. Fancy Guppy Reproduction

May 23[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 23

  1. Solar-powered vending machine indoors?
  2. Insect identification
  3. Air vortex force calculation
  4. Fancy swordcraft and damaged clothing...
  5. Calculating oversteer/drift in a car
  6. Today's featured pic
  7. Looking for a quote by Taiichi Ohno
  8. Breaking stength of an extension cord.
  9. Mystery sea creature
  10. 5d optical recording
  11. Irresistible force paradox

May 24[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 24

  1. Cold air
  2. Cartophilia
  3. Cooler to wear long sleeves in the sun?
  4. Strange blue sea creature on NSW coastline
  5. Theoretical lower bound of maximum member load in a truss?
  6. Swimming pigs
  7. How "lagged" is my television or radio?
  8. Why do humans need fat in their diet?
  9. Why is the Dust bowl no longer a problem?
  10. Building muscle
  11. Instrumentation
  12. Powering a Phobos Colony
  13. flourescent lights inop.
  14. prognostic markers
  15. Saturn floating on water
  16. Weird Bug
  17. Jet fighter sledging along on wet grass

May 25[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 25

  1. Casino Royal Poisoning Scene
  2. Virginity -- Celibacy
  3. Strange aircraft wing
  4. derating factor
  5. Steam II
  6. Gray hair
  7. Racism and science.
  8. casimir effect pressure anomalies
  9. the color of protons/nutrons
  10. Snakes
  11. Spider eyes
  12. "You can lead a cow up a flight of stairs but not down a flight of stairs - because of the design of their legs..."
  13. Distance That Whale Song Is Audible
  14. scientific method and evolution
  15. Predicting Rainstorms

May 26[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 26

  1. Understanding the Michelson-Morley Experiment
  2. why do dragsters have thick tyres?
  3. What does the "d" stand for?
  5. Health care professional slapping patients
  6. Bird-flight
  7. Smoke deflectors on steam trains
  8. cats
  9. 60m
  10. Adding R-values for bulk ceiling insulation not allowed

May 27[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 27

  1. Amalgam
  2. MM Experiment
  3. Root growth in cut roses
  4. Who are these things?
  5. A Zeppelin filled with helium
  6. Concave tympanic membrane
  7. Are gulls lactose intolerant?
  8. Could a human break their own neck simply by unassisted extreme rotation?
  9. casimir effect pressure anomalies 2
  10. Reliability of Air Armament
  11. Medical term
  12. helium production
  13. Burning fat
  14. chemistry
  15. Self-published scientific magazine
  16. What makes organisms yellow?
  17. calluses on fingers
  18. Passage of matter through descendents
  19. Genetic crossing notation

May 28[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 28

  1. Cat physiology
  2. Incubation Period
  3. Sound ever transverse?
  4. Maximum optical zoom
  5. Live Google Maps
  6. Does heat contribute to production or increase in PCB's (Polychlorinated Biphenyls)
  7. What is needed to heal Humanity's ills?
  8. Cerebral Hemispheric Dominance
  9. Motor Oil
  10. Poor TV picture improves a lot when VCR on
  11. determining diet via feces
  12. Mix rice varieties to reduce clumping?
  13. two questions about force, motion , and displacement
  14. Fog and cloud

May 29[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 29

  1. Time quickens?
  2. TV signal splitters for coaxial cables
  3. Why are cockroaches such a pest in the US but not in the UK?
  4. Automatic train control
  5. relay setting calculation for spaj 140 c
  6. Pork
  7. beer freezing
  8. Best solvent for a blocked printer head?
  9. Sleep
  10. Fetus affected by anesthesia?
  11. Could this rocket put a person into space?
  12. pH change at river mouth?

May 30[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 30

  1. Plumeria
  2. Carnivores' flesh indigestible for humans?
  3. Body pressure and atmoshperic pressure
  4. Numerical Schrodinger solutions
  5. Is burnt food bad for you?
  6. Storage capacity of the human brain, in gigabytes?
  7. light acting like a solid

May 31[edit]

Wikipedia:Reference_desk/Archives/Science/2009 May 31

  1. Determining the Concentration of a Solution
  2. Particle interactions
  3. New islands found in aerial/satellite photos?
  4. Relationship b/w focal length and magnification of a lens and of a mirror
  5. Basic advantage of hybrid cars
  6. How many human beings can Australia support?
  7. General Motors EV1
  8. Do owls ever get aggressive with people?
  9. Muscle Contraction question
  10. Downtown Tokyo
  11. La Défense