Wikipedia:Reference desk/Archives/Science/April 2009
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April 1
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 1
- Artificial nectar
- cell division
- What came first, the chicken or the egg?
- Squirrel monkey behaviour
- Solar Eclipse
- evolution or creation
- Hot water for drinking
- schrodinger's time independent equation
- Genetics Question
- An extraordinary delusion
- Nicotine concentrations of cigars?
- Chlorine gas
- Adding impedances
- Ancestry
- Strength of human hair
- Does studying actually improve IQ scores?
April 2
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 2
- Hominidae?
- 5 in one fruit tree
- HAMMER DRILL VS IMPACT DRILL
- Life Without Plastics Video
- Meanings
- Diamond Cutting
- When a Star Evolves into a Black Hole...
- source of dietary cholesteryl esters?
- Genius
- Abiogenesis vs Evolution
April 3
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 3
- Limiting Reagent
- What's the deal with black holes and escape velocity?
- Generation length and human evolution
- Quantummechanical operater
- Quantum Mechanics
- superconductivity
- Capsaicin and squirrels
- neuron state during mania
- Mike Phelps
- pleural tap
- Eating feces
April 4
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 4
April 5
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 5
- Evolution of Wings
- Atherosclerosis
- Puberty and growth
- Foods endemic to the Americas...
- Are these droppings?
- wathurrrrrrrrrrrrrrrrrrrrrrrrrrrrr
- Regurgitation in animals.
- Blue water
- Light bulb energy
- Wet hands and light switches
- swelling AROUND the eyes and diabetes
- 'Physalis Mottle Virus’
April 6
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 6
- Boredom
- RNA polymerase
- since shorelines are fractal, how are they really (IN FACT) calculated, when we read figures about x miles of shoreline?
- Comorbidity of pulmonary and liver diseases
- Royal Society of Canada
- Reference material for doctors
- If Sulforaphane is good for you, is sulphur dioxide beneficial also?
- Magnetic flux
- Earthquake radius
- Article: Science and technology in the United States
- A hypermiling question
- Centre of gravity
- Violet scent
- Another probe to Uranus?
- Garrison Dam
- Fear of Abandoment
- Hammer Striking a Nail
- Self-induced synesthesia?
- Global warming
April 7
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 7
- Toads and warts
- hearing
- Why do massive objects in space don't look like they are moving?
- Star Trek - Science or fiction?
- Vacuum flask
- True area of a country
- Relationship between Thermodynamic Entropy and Cosmic Dark Energy?
- temperature goes up as you dig down.
- Venusian thought experiment
- How common is runaway global warming?
- why is water transparent and ice white?
April 8
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 8
- Make OH Hydroxide
- Why does accelerating a charged particle produce radiation?
- optical reflection distortion in tempered glass in automotive
- could a fast enough solar-powered car catch more sunlight?
- why isn't the segway a unicycle?
- Quantum harmonic oscillator
- Mom's perception
- Is it possible to predict an unknown element's attributes?
- Alternative engine vehicles
- Effect of Centrifugal Force on Oceans
- Chemistry and lock, have any relation?
- why don't we use the sun as a fusion generator?
April 9
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 9
- Ethanol Train
- Weird example of relative size
- ESP
- Coma
- Powder coated steel
- Space and matter/observable vs actual
- Repairing damage to the vocal cords after the removal of a thyroid tumour
- Major Histocompatibility Complex molecule
- LIFE AND DEATH
- Colorado Bug ID
- Noisy chalk holders
April 10
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 10
- can we get any "object" to anywhere near relativistic speeds?
- Ornithosis agent
- Limits of curving a ball
- Dashboards
- are flywheels any easier in space?
- Name that UK bird! Orange chest, black head.
- Early cyclotron-thing
- Need WP:RS on a Common Misconception about Neutron Bombs
- Rolling hemispheres and moments of inertia
April 11
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 11
- Blowing out a candle
- New born animals cute
- Physics of "Knowing"
- rutherford model
- Prilosec as diet drug?
- Legality of encryption
- Too hungover to masturbate
- Identiy this water beetle
- Global warming, axial shift, sea level rise, seismic activity, and solar eclipses
April 12
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 12
- Moment of Inertia of a Traingle
- Area of a Heart
- about baby
- Transmition Of Aliment
- Evolutionary advantage of oral sex, fellatio
- Plant growth/death
- What bird is this?
- What is the name of this bird?
- Stability of 3 particles
- Begining of time
- Pharmacology question - IC50s
- Exact burn temperature of skin
April 13
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 13
- Non-spectral blueish green
- Tsunami in this July 2009
- Gossamer Albatross
- physics/Crystal growth
- Question about magnet
- Reasons behind legal drinking age
- Rule
- How to get a women to cum
- Fourth Dimension
- double slit diffraction
- cars
- Pain in sides due to excersize
- paternity testing
- Constructing 3D Sight
- Cont: 4th Dimension and Black Holes
- musical plants
- RAW MILK and Growing Up with Enzyme Lactase Loss
April 14
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 14
- DNA
- stars outside the boundaries of their constellation
- Are diamonds ionic compounds?
- Atropine as anaesthesia pre-med
- Separating Water(H2O) and Hydrogen Peroxide(H2O2)
- 4th Dimension...again
- orion
- Muscle pain associated with infection
- Dilution
- burning of stone
- Effects of fasting
- Paradox
- Mailbox Key question.
April 15
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 15
- Congenital absence of appendix
- What is a naturally occurring isotope?
- Precambrian craton formation
- Pharmaceutical naming
- resistivity of vacuum
- formation of pure alkyl nitrile
- Invasive species
- Do scientists have to pay to have their work published in a peer-reviewed journal?
- Rate Constant, k
- Armour made from tantalum-niobium alloy - how effective?
- Hair & Facial Hair Question
- Calculating Kc equilibrium constant
- Hearling loss from high frequencies
- honey
- Microbial growth media
- Very small creatures in my fish tank?
- Biological Function of Grief in Humans
- Achilles tendon and stairs
- Ear canal bandpass
April 16
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 16
- Ionic detox
- Ideal physical attributes for boxing
- Trolley-bus routes
- concurrent queues
- Paradox in current through vacuum
- CO2 production vs Absorbtion
- Solar Energy
- Lyme disease contraction vs. reporting location
- Trip to Mars
- We are in a 6000 degree C space cloud?
- Ecology book, online source?
- Reaction product
- Black Desert
April 17
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 17
- NIH top 40
- Is there another explanation for Black Holes besides being dense matter from which light cannot escape?
- Coriolis effect and sniping
- How can dumb electrons be so clever?
- bodybuilding
- Questions on cell size and multicellularity
- Bullet into wood
- Paradox
- positron behavior
- Super long leg hair
- Redox reactions and Lewis Acids & Bases
- Nephilim
April 18
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 18
- Coriolis force on a river in the northern hemisphere
- Recycling efficiency - plastics vs steel
- Power production from sea water by electrolysis process.
- Sleep
- hiv transmission
- Figuring out when a star does heliacal rising
- Turning radius of a vehicle
- Sedimentary rock, evaporites: How does gypsum end forming a stratum .50m thick?
- Lazy smokers
April 19
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 19
- Electric field therapy
- Viral infection
- Photovoltaics and thermodynamics; ie, efficiency vs 'wasted' energy
- Energy Saving Lightbulbs
- How long do American electric kettles take to boil?
- HIV
- The iceberg that sunk the Titanic
- History of Motion Detection
- Cartographic projections & Symmetry
- Decay chain
- Why does the universe seem to be older than it is?
April 20
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 20
- Amino acid properties
- Are there any (real) animals that can spit/spray corrosive substances as a defence mechanism?
- Kinetic energy of gases
- Azimuth sweep angle?
- Infinite speed and perception
- Scooter electric motors
- ctrl+f If You Can't Find It
- disappearance of gills in higher vertebrates and evolution of lungs (comparison with embryonic tadpole -> frog transition)
- Witnessing evolution
- Quantum bits at the macro level
April 21
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 21
- Bacteria passed on at birth: what about cloning?
- Columbus's New World "nightingale"
- Gut flora
- diatom isolation
- gear
- DIN & VDI
- Ethernet 1000BASE-SX physical limitations
- solvent information missing from free radical addition
- DNA sequencing
- viruses
- Increase in rolling resistance on a wet road?
- The Beauty of the Universe
- how much biological output is produced (by either weight or volume) daily by all of the world's population combined?
- Cancer
- Hiding from thermographic camera view by covering oneself in thick mud from head to toe...
- Gaussian random motion
- Lewis dot and cross diagrams
- Bruce Lee martial arts glowing light energy field
- POSTED THIS QUESTION ON THE MATHAMATICS PAGE AND WAS SUGGESTED I POST IT HERE
April 22
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 22
- GLOBAL WARMING
- B cell activation
- Speed of Light and electricity
- wikipedia article on E.D.T.A.[ethylene diamine tetra acetic acid]
- How to insulate an old home ?
- Minimum particle separation - where to start?
- Toilet germs
- vinegar
- Birds collecting things
April 23
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 23
- NRPG ?
- Light through optical centre
- Bonjela and the news
- What could a super-large telescope array see?
- The subjective experience of being blind
- Why do people collect things / derive satisfaction from completing sets of objects?
- Brain food
- Amygdala
- Minimum amount of fuel to circumnavigate the globe
- Slit-Like Iris
- current procedure terminology - has it changed over the years?
April 24
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 24
- Blowing bubbles
- Function of globose
- Water consumption while dehydrated
- Lost in the woods
- SALTWATER FISHES
- the earth
- Name
- The first link between protein and gene
- Differential Capacitive sensors
- Eggplant
- "Female" DNA
- Canis lilliputia and canis brobdingnag
April 25
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 25
- how much
- Line spectrum question
- A seeming discrepency has been puzzling me all day about Le Chatelier's principle and Solubility equilibrium
- will 1,3,5-trimethoxybenzene react with hydrochloric acid? (Or even base?!)
- Removing the Water from A Solution
- could someone melt antarctica?
- Where is going the oceanic crust of the North American Plate?
- Male/female ratio
- Social Science/Sociological Question: What is the difference between Modernity and the Enlightenment?
- Storage of medicines
- Expansion of the universe
- acid
April 26
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 26
- radical addition of alkynes
- Enhancement by implants
- Earthrise on the Moon
- SN 2005gj
- Rust spreads by catalysis or mechanical reasons.
- On high-speed tallow candles
- Battery Disposal
- Sod
- The physics of water filling into a depression
April 27
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 27
- repelling the earth
- Steam Table & Value Calculation???
- Chameleons Changing Colors As Camouflage?
- What's so special about swine flu?
- Drooling
- Blue precipitate in beta mercaptoethanol (ca. 43% commercial solution)
- what is the overarching function of the arcuate fibers?
- Right Hand Rule and Help with Magnetism
- Measuring the temp of the Sun
- The sound that sports arena spotlights make when switched on
April 28
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 28
- Microgravity and Moon missions
- Dogs with "hair" instead of "fur"
- the sun's surface
- Homo floresiensis and microcephaly
- blank (colored) skew-T
- viruses again
- anatomy of urinary system
- Labratory construction
- Wearing Black on a hot day
- Environmental Science
- drinking hot liquid through a straw
- Bleeding from the eyes
- Testing for 2009 swine flu
- Elastic Potential energy
- Electrodynamic potential energy
April 29
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 29
- Image changing material
- analytical lab
- Fluorescent Mountain Dew
- Hydrogen bonds
- Swine influenza
- firing an SCR
- 1918 Spanish flu mortality
- effects of caffeine
- Body size
- Question
- Hedge plants
April 30
[edit]Wikipedia:Reference_desk/Archives/Science/2009 April 30
- Envying the Chimps
- Smoothing capacitor advice
- Bird fart
- Volume of Ideal Gas at Absolute Zero
- ALIENS
- Chemistry A-Level problem
- convergent evolution
- What are the products of the reaction of sodium with Sand
- Photon
- Karrick Process
- Central metal ions and EDTA
- Swine Flu
- Type of coffee
- why do Ferrel cells exist?
- Elements that have no application?
- Are household bleach or disinfectant effective at killing viruses on hard surfaces?