Wikipedia:Reference desk/Archives/Science/April 2009

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April 1

Wikipedia:Reference_desk/Archives/Science/2009 April 1

1. Artificial nectar
2. cell division
3. What came first, the chicken or the egg?
4. Squirrel monkey behaviour
5. Solar Eclipse
6. evolution or creation
7. Hot water for drinking
8. schrodinger's time independent equation
9. Genetics Question
10. An extraordinary delusion
11. Nicotine concentrations of cigars?
12. Chlorine gas
13. Adding impedances
14. Ancestry
15. Strength of human hair
16. Does studying actually improve IQ scores?

April 2

Wikipedia:Reference_desk/Archives/Science/2009 April 2

1. Hominidae?
2. 5 in one fruit tree
3. HAMMER DRILL VS IMPACT DRILL
4. Life Without Plastics Video
5. Meanings
6. Diamond Cutting
7. When a Star Evolves into a Black Hole...
8. source of dietary cholesteryl esters?
9. Genius
10. Abiogenesis vs Evolution

April 3

Wikipedia:Reference_desk/Archives/Science/2009 April 3

1. Limiting Reagent
2. What's the deal with black holes and escape velocity?
3. Generation length and human evolution
4. Quantummechanical operater
5. Quantum Mechanics
6. superconductivity
7. Capsaicin and squirrels
8. neuron state during mania
9. Mike Phelps
10. pleural tap
11. Eating feces

April 4

Wikipedia:Reference_desk/Archives/Science/2009 April 4

1. 1+1
2. Adapating to running
3. What's this bug?
4. origin of multi cellular species
5. physics

April 5

Wikipedia:Reference_desk/Archives/Science/2009 April 5

1. Evolution of Wings
2. Atherosclerosis
3. Puberty and growth
4. Foods endemic to the Americas...
5. Are these droppings?
6. wathurrrrrrrrrrrrrrrrrrrrrrrrrrrrr
7. Regurgitation in animals.
8. Blue water
9. Light bulb energy
10. Wet hands and light switches
11. swelling AROUND the eyes and diabetes
12. 'Physalis Mottle Virus’

April 6

Wikipedia:Reference_desk/Archives/Science/2009 April 6

1. Boredom
2. RNA polymerase
3. since shorelines are fractal, how are they really (IN FACT) calculated, when we read figures about x miles of shoreline?
4. Comorbidity of pulmonary and liver diseases
5. Royal Society of Canada
6. Reference material for doctors
7. If Sulforaphane is good for you, is sulphur dioxide beneficial also?
8. Magnetic flux
9. Earthquake radius
10. Article: Science and technology in the United States
11. A hypermiling question
12. Centre of gravity
13. Violet scent
14. Another probe to Uranus?
15. Garrison Dam
16. Fear of Abandoment
17. Hammer Striking a Nail
18. Self-induced synesthesia?
19. Global warming

April 7

Wikipedia:Reference_desk/Archives/Science/2009 April 7

1. Toads and warts
2. hearing
3. Why do massive objects in space don't look like they are moving?
4. Star Trek - Science or fiction?
5. Vacuum flask
6. True area of a country
7. Relationship between Thermodynamic Entropy and Cosmic Dark Energy?
8. temperature goes up as you dig down.
9. Venusian thought experiment
10. How common is runaway global warming?
11. why is water transparent and ice white?

April 8

Wikipedia:Reference_desk/Archives/Science/2009 April 8

1. Make OH Hydroxide
2. Why does accelerating a charged particle produce radiation?
3. optical reflection distortion in tempered glass in automotive
4. could a fast enough solar-powered car catch more sunlight?
5. why isn't the segway a unicycle?
6. Quantum harmonic oscillator
7. Mom's perception
8. Is it possible to predict an unknown element's attributes?
9. Alternative engine vehicles
10. Effect of Centrifugal Force on Oceans
11. Chemistry and lock, have any relation?
12. why don't we use the sun as a fusion generator?

April 9

Wikipedia:Reference_desk/Archives/Science/2009 April 9

1. Ethanol Train
2. Weird example of relative size
3. ESP
4. Coma
5. Powder coated steel
6. Space and matter/observable vs actual
7. Repairing damage to the vocal cords after the removal of a thyroid tumour
8. Major Histocompatibility Complex molecule
9. LIFE AND DEATH
10. Colorado Bug ID
11. Noisy chalk holders

April 10

Wikipedia:Reference_desk/Archives/Science/2009 April 10

1. can we get any "object" to anywhere near relativistic speeds?
2. Ornithosis agent
3. Limits of curving a ball
4. Dashboards
5. are flywheels any easier in space?
6. Name that UK bird! Orange chest, black head.
7. Early cyclotron-thing
8. Need WP:RS on a Common Misconception about Neutron Bombs
9. Rolling hemispheres and moments of inertia

April 11

Wikipedia:Reference_desk/Archives/Science/2009 April 11

1. Blowing out a candle
2. New born animals cute
3. Physics of "Knowing"
4. rutherford model
5. Prilosec as diet drug?
6. Legality of encryption
7. Too hungover to masturbate
8. Identiy this water beetle
9. Global warming, axial shift, sea level rise, seismic activity, and solar eclipses

April 12

Wikipedia:Reference_desk/Archives/Science/2009 April 12

1. Moment of Inertia of a Traingle
2. Area of a Heart
3. about baby
4. Transmition Of Aliment
5. Evolutionary advantage of oral sex, fellatio
6. Plant growth/death
7. What bird is this?
8. What is the name of this bird?
9. Stability of 3 particles
10. Begining of time
11. Pharmacology question - IC50s
12. Exact burn temperature of skin

April 13

Wikipedia:Reference_desk/Archives/Science/2009 April 13

1. Non-spectral blueish green
2. Tsunami in this July 2009
3. Gossamer Albatross
4. physics/Crystal growth
5. Question about magnet
6. Reasons behind legal drinking age
7. Rule
8. How to get a women to cum
9. Fourth Dimension
10. double slit diffraction
11. cars
12. Pain in sides due to excersize
13. paternity testing
14. Constructing 3D Sight
15. Cont: 4th Dimension and Black Holes
16. musical plants
17. RAW MILK and Growing Up with Enzyme Lactase Loss

April 14

Wikipedia:Reference_desk/Archives/Science/2009 April 14

1. DNA
2. stars outside the boundaries of their constellation
3. Are diamonds ionic compounds?
4. Atropine as anaesthesia pre-med
5. Separating Water(H2O) and Hydrogen Peroxide(H2O2)
6. 4th Dimension...again
7. orion
8. Muscle pain associated with infection
9. Dilution
10. burning of stone
11. Effects of fasting
12. Paradox
13. Mailbox Key question.

April 15

Wikipedia:Reference_desk/Archives/Science/2009 April 15

1. Congenital absence of appendix
2. What is a naturally occurring isotope?
3. Precambrian craton formation
4. Pharmaceutical naming
5. resistivity of vacuum
6. formation of pure alkyl nitrile
7. Invasive species
8. Do scientists have to pay to have their work published in a peer-reviewed journal?
9. Rate Constant, k
10. Armour made from tantalum-niobium alloy - how effective?
11. Hair & Facial Hair Question
12. Calculating Kc equilibrium constant
13. Hearling loss from high frequencies
14. honey
15. Microbial growth media
16. Very small creatures in my fish tank?
17. Biological Function of Grief in Humans
18. Achilles tendon and stairs
19. Ear canal bandpass

April 16

Wikipedia:Reference_desk/Archives/Science/2009 April 16

1. Ionic detox
2. Ideal physical attributes for boxing
3. Trolley-bus routes
4. concurrent queues
5. Paradox in current through vacuum
6. CO2 production vs Absorbtion
7. Solar Energy
8. Lyme disease contraction vs. reporting location
9. Trip to Mars
10. We are in a 6000 degree C space cloud?
11. Ecology book, online source?
12. Reaction product
13. Black Desert

April 17

Wikipedia:Reference_desk/Archives/Science/2009 April 17

1. NIH top 40
2. Is there another explanation for Black Holes besides being dense matter from which light cannot escape?
3. Coriolis effect and sniping
4. How can dumb electrons be so clever?
5. bodybuilding
6. Questions on cell size and multicellularity
7. Bullet into wood
8. Paradox
9. positron behavior
10. Super long leg hair
11. Redox reactions and Lewis Acids & Bases
12. Nephilim

April 18

Wikipedia:Reference_desk/Archives/Science/2009 April 18

1. Coriolis force on a river in the northern hemisphere
2. Recycling efficiency - plastics vs steel
3. Power production from sea water by electrolysis process.
4. Sleep
5. hiv transmission
6. Figuring out when a star does heliacal rising
7. Turning radius of a vehicle
8. Sedimentary rock, evaporites: How does gypsum end forming a stratum .50m thick?
9. Lazy smokers

April 19

Wikipedia:Reference_desk/Archives/Science/2009 April 19

1. Electric field therapy
2. Viral infection
3. Photovoltaics and thermodynamics; ie, efficiency vs 'wasted' energy
4. Energy Saving Lightbulbs
5. How long do American electric kettles take to boil?
6. HIV
7. The iceberg that sunk the Titanic
8. History of Motion Detection
9. Cartographic projections & Symmetry
10. Decay chain
11. Why does the universe seem to be older than it is?

April 20

Wikipedia:Reference_desk/Archives/Science/2009 April 20

1. Amino acid properties
2. Are there any (real) animals that can spit/spray corrosive substances as a defence mechanism?
3. Kinetic energy of gases
4. Azimuth sweep angle?
5. Infinite speed and perception
6. Scooter electric motors
7. ctrl+f If You Can't Find It
8. disappearance of gills in higher vertebrates and evolution of lungs (comparison with embryonic tadpole -> frog transition)
9. Witnessing evolution
10. Quantum bits at the macro level

April 21

Wikipedia:Reference_desk/Archives/Science/2009 April 21

1. Bacteria passed on at birth: what about cloning?
2. Columbus's New World "nightingale"
3. Gut flora
4. diatom isolation
5. gear
6. DIN & VDI
7. Ethernet 1000BASE-SX physical limitations
8. solvent information missing from free radical addition
9. DNA sequencing
10. viruses
11. Increase in rolling resistance on a wet road?
12. The Beauty of the Universe
13. how much biological output is produced (by either weight or volume) daily by all of the world's population combined?
14. Cancer
15. Hiding from thermographic camera view by covering oneself in thick mud from head to toe...
16. Gaussian random motion
17. Lewis dot and cross diagrams
18. Bruce Lee martial arts glowing light energy field
19. POSTED THIS QUESTION ON THE MATHAMATICS PAGE AND WAS SUGGESTED I POST IT HERE

April 22

Wikipedia:Reference_desk/Archives/Science/2009 April 22

1. GLOBAL WARMING
2. B cell activation
3. Speed of Light and electricity
4. wikipedia article on E.D.T.A.[ethylene diamine tetra acetic acid]
5. How to insulate an old home ?
6. Minimum particle separation - where to start?
7. Toilet germs
8. vinegar
9. Birds collecting things

April 23

Wikipedia:Reference_desk/Archives/Science/2009 April 23

1. NRPG ?
2. Light through optical centre
3. Bonjela and the news
4. What could a super-large telescope array see?
5. The subjective experience of being blind
6. Why do people collect things / derive satisfaction from completing sets of objects?
7. Brain food
8. Amygdala
9. Minimum amount of fuel to circumnavigate the globe
10. Slit-Like Iris
11. current procedure terminology - has it changed over the years?

April 24

Wikipedia:Reference_desk/Archives/Science/2009 April 24

1. Blowing bubbles
2. Function of globose
3. Water consumption while dehydrated
4. Lost in the woods
5. SALTWATER FISHES
6. the earth
7. Name
8. The first link between protein and gene
9. Differential Capacitive sensors
10. Eggplant
11. "Female" DNA
12. Canis lilliputia and canis brobdingnag

April 25

Wikipedia:Reference_desk/Archives/Science/2009 April 25

1. how much
2. Line spectrum question
3. A seeming discrepency has been puzzling me all day about Le Chatelier's principle and Solubility equilibrium
4. will 1,3,5-trimethoxybenzene react with hydrochloric acid? (Or even base?!)
5. Removing the Water from A Solution
6. could someone melt antarctica?
7. Where is going the oceanic crust of the North American Plate?
8. Male/female ratio
9. Social Science/Sociological Question: What is the difference between Modernity and the Enlightenment?
10. Storage of medicines
11. Expansion of the universe
12. acid

April 26

Wikipedia:Reference_desk/Archives/Science/2009 April 26

1. radical addition of alkynes
2. Enhancement by implants
3. Earthrise on the Moon
4. SN 2005gj
5. Rust spreads by catalysis or mechanical reasons.
6. On high-speed tallow candles
7. Battery Disposal
8. Sod
9. The physics of water filling into a depression

April 27

Wikipedia:Reference_desk/Archives/Science/2009 April 27

1. repelling the earth
2. Steam Table & Value Calculation???
3. Chameleons Changing Colors As Camouflage?
4. What's so special about swine flu?
5. Drooling
6. Blue precipitate in beta mercaptoethanol (ca. 43% commercial solution)
7. what is the overarching function of the arcuate fibers?
8. Right Hand Rule and Help with Magnetism
9. Measuring the temp of the Sun
10. The sound that sports arena spotlights make when switched on

April 28

Wikipedia:Reference_desk/Archives/Science/2009 April 28

1. Microgravity and Moon missions
2. Dogs with "hair" instead of "fur"
3. the sun's surface
4. Homo floresiensis and microcephaly
5. blank (colored) skew-T
6. viruses again
7. anatomy of urinary system
8. Labratory construction
9. Wearing Black on a hot day
10. Environmental Science
11. drinking hot liquid through a straw
12. Bleeding from the eyes
13. Testing for 2009 swine flu
14. Elastic Potential energy
15. Electrodynamic potential energy

April 29

Wikipedia:Reference_desk/Archives/Science/2009 April 29

1. Image changing material
2. analytical lab
3. Fluorescent Mountain Dew
4. Hydrogen bonds
5. Swine influenza
6. firing an SCR
7. 1918 Spanish flu mortality
8. effects of caffeine
9. Body size
10. Question
11. Hedge plants

April 30

Wikipedia:Reference_desk/Archives/Science/2009 April 30

1. Envying the Chimps
2. Smoothing capacitor advice
3. Bird fart
4. Volume of Ideal Gas at Absolute Zero
5. ALIENS
6. Chemistry A-Level problem
7. convergent evolution
8. What are the products of the reaction of sodium with Sand
9. Photon
10. Karrick Process
11. Central metal ions and EDTA
12. Swine Flu
13. Type of coffee
14. why do Ferrel cells exist?
15. Elements that have no application?
16. Are household bleach or disinfectant effective at killing viruses on hard surfaces?