Wikipedia:Reference desk/Archives/Science/July 2013

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style="background: #5D7CBA; text-align: center; font-family:Arial; color:#FFFFFF;" | 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.

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= July 1 =

Wikipedia:Reference_desk/Archives/Science/2013 July 1

1. Malaria
2. How would certain wikipedians do in the World Quizzing Championship?
3. Two questions about the blood donation or blood test
4. what is the purpose of the breathing from mouth to mouth in CPR?
5. E 85 (Ethanol vehicles)

= July 2 =

Wikipedia:Reference_desk/Archives/Science/2013 July 2

1. Mars will definitely survive or it is possible to get eaten by sun
2. What's pictured in this astronomical photo?
3. admission for engineering
4. I've got this song stuck in my head...
5. Dark matter/energy
6. citation counts: most cited people
7. "Physical" dark matter chunks near Earth?
8. What's the sourest object in the known universe?
9. Something is wrong with the magnetic induction " B" !

= July 3 =

Wikipedia:Reference_desk/Archives/Science/2013 July 3

1. Bluejays and cardinals
2. Total solar eclipse of Egypt circa 3100 BC?
3. NYC and nuclear attack
4. Bipolar Disorder associated features
5. Rehydration of troops in Iraq/ Afghanistan

= July 4 =

Wikipedia:Reference_desk/Archives/Science/2013 July 4

1. Colds and bacterial infections
2. Boiling water in a kettle
3. Putting an aspirin on the gum
4. wild animals and spicy food
5. Video on race and intelligence

= July 5 =

Wikipedia:Reference_desk/Archives/Science/2013 July 5

1. Electricity
2. Can magnetic fields be like a laser?
3. Fern spore range
4. Tension
5. polymers
6. Affinity constants
7. Is Neptune habitable?

= July 6 =

Wikipedia:Reference_desk/Archives/Science/2013 July 6

1. Potential energy stored in a capacitor
2. Ayaks, its that even possible?
3. Loss of weight after recovering from illness
4. regarding equivalence of PG degrees.
5. Men and asking for directions

= July 7 =

Wikipedia:Reference_desk/Archives/Science/2013 July 7

1. alcohol consumption
2. Why There Is Something Rather Than Nothing?
3. Race vs. Subspecies vs. Breed
4. Effective population size of the X chromosome vs mtDNA

= July 8 =

Wikipedia:Reference_desk/Archives/Science/2013 July 8

1. Angular Momentum
2. clam nectar
3. Technical terms for snap-together fastening mechanism?
4. What is the function of women having longer hairs?
5. Why is pseudoscience so popular?
6. Secondary cells/rechargeable batteries
7. Is it true that fasting "programs" your body to store fat?

= July 9 =

Wikipedia:Reference_desk/Archives/Science/2013 July 9

1. Can an echo be reborn?
2. Imported Fizzy drink tastes
3. Crustaceans
4. Metal-free

= July 10 =

Wikipedia:Reference_desk/Archives/Science/2013 July 10

1. Why can't I run an electric heater in reverse to cool a room?
2. Angular momentum II
3. Go fuck yourself
4. Raw Pork
5. The genetics of the royals
6. The "Runaway Train" Lever
7. Coke didn't freeze

= July 11 =

Wikipedia:Reference_desk/Archives/Science/2013 July 11

1. Post-operative fever : another Five Ws ?
2. Cricket Revometer
3. Gastritis
4. Boiling water with vending machines... in SECONDS! A miracle!

= July 12 =

Wikipedia:Reference_desk/Archives/Science/2013 July 12

1. Heads of State who were also Medical Doctors?
2. How soon til the island of stability?
3. So, how much did L Ron Hubbard actually get right...
4. Natural human lifespan in the wild, without modern medicine

= July 13 =

Wikipedia:Reference_desk/Archives/Science/2013 July 13

1. equal pressure gas airlocks
2. Glycaemic Indices of Gluten-free flours.
3. Looking for an Approachable In to Quantum Field Theory and Particle Physics (As in books)
4. Lac-Mégantic derailment
5. Natives
6. Does the human body only use glucose and ketone bodies as fuel?
7. Peculiar cell nuclei

= July 14 =

Wikipedia:Reference_desk/Archives/Science/2013 July 14

1. Need help identifying a catapillar
2. Heavy legs

= July 15 =

Wikipedia:Reference_desk/Archives/Science/2013 July 15

1. "Hearing the wind"
2. Noisy ladybirds (ladybugs)
3. River swelling

= July 16 =

Wikipedia:Reference_desk/Archives/Science/2013 July 16

1. Carbon emission
2. Totally off-topic, but I didn't find where to ask!
3. When on H. sapiens' evolutionary timeline did the equivalent of the hallux ("thumb" on lower limbs) stop being opposable?
4. First embryonic stem cell transplantation in lab rats
5. Energy into matter...

= July 17 =

Wikipedia:Reference_desk/Archives/Science/2013 July 17

1. How do people sleep during daylight conditions?
2. Measuring rate of rotation by the Doppler effect
3. When do we call a celestial body a moon?
4. Energy of Earths Spin
5. reaction of amino acids with formaldehyde...a simple way to decarboxylate to form a hetero-diene?

= July 18 =

Wikipedia:Reference_desk/Archives/Science/2013 July 18

1. 19th century medicine on sexual health
2. Mental inheritance
3. Making oil from CO2
4. Optimal watering schedule
5. Is the gravitational lensing caused by Earth measurable?
6. Is it an example of precipitate reaction?
7. Correlation between continuous visible spectrum and the models used in display/detection of red, green, and blue channels
8. If Feverfew is poisonous to animal pets
9. longest-running experiment to reach an unknown conclusion?
10. Laser Magnet

= July 19 =

Wikipedia:Reference_desk/Archives/Science/2013 July 19

1. Distilled vulcanoids?
2. video games
3. Aphasia?
4. Things getting stuck inside bivalves?

= July 20 =

Wikipedia:Reference_desk/Archives/Science/2013 July 20

1. Bubbles in carbonated wated
2. Analog retransmitting rain gauge
3. Putting a cadaver in a morgue drawer
4. Do they always detonate the explosives?
5. Filling a gas cigarette lighter.

= July 21 =

Wikipedia:Reference_desk/Archives/Science/2013 July 21

1. Lightning and outdoor sport
2. Insulating patches in otherwise-complete Faraday cages
3. Why are deciduous trees light green ("spring green") in the spring?
4. Main Battle Tank
5. What is Osmazome?
6. Operating characteristics of induction motors on modified sine wave

= July 22 =

Wikipedia:Reference_desk/Archives/Science/2013 July 22

1. MInimal human sustaining-crops?
2. Wasp-eating birds
3. Phosphates
4. Isostearamidopropyl Morpholine Lactate
5. Can lime juice "cook" shrimp ?
6. How accurately known are the orbits of Space debris?
7. Two MRSA questions

= July 23 =

Wikipedia:Reference_desk/Archives/Science/2013 July 23

1. Help identifying a plant.
2. Why doesn't aluminium spark?
3. Is each transmitter restricted to a specific frequency?
4. Side effects

= July 24 =

Wikipedia:Reference_desk/Archives/Science/2013 July 24

1. How is fatty acid chain length regulated by Fatty Acid Synthase (in plants/bacteria)
2. Paper gives peak modal age at death for hunter-gatherers at approximately 69 years old. Inaccurate?
3. Mass of smoke in a wood fire?
4. Iron in breakfast cereals
5. Question on so-called copulins
6. Schrödinger's cat

= July 25 =

Wikipedia:Reference_desk/Archives/Science/2013 July 25

1. Is this a horse fossil?
2. Is a fat person more resistant to alcohol intoxication than a skinny person is?
3. Precision engineering contest?
4. G forces when two cars collide

= July 26 =

Wikipedia:Reference_desk/Archives/Science/2013 July 26

1. Did the Earth ever exist?
2. Lego structural integrity
3. Controlling menstration schedule
4. Skip-Dr.
5. Malignant growths
6. Spontaneous time travel
7. Travelling faster than the speed of light
8. Does light accelerate?
9. Heracleum mantegazzianum (invasive species)
10. Has any valuable discovery been made through the Nazi human experimentations?
11. Measuring "Northness"?

= July 27 =

Wikipedia:Reference_desk/Archives/Science/2013 July 27

1. Why do bullet-proof vests expire ?
2. Hatchet wasp "attacking" spider?!
3. Hero shrew article - what does this mean?
4. Diode?
5. Audio physiological effects
6. Bee
7. flare
8. Long reverberation time in stone-walled cathedrals
9. If sperm from a white man, black man, chinese man and indian man were inserted into a woman?
10. Why do people feel tired after eating ?

= July 28 =

Wikipedia:Reference_desk/Archives/Science/2013 July 28

1. Parthenocarpy in cherry trees
2. Division of a vector by a vector
3. Deaths from Alzheimer's disease
4. What would be the difference if earth was pyramid?
5. Light, mass and gravity
6. Deriving relativistic kinetic energy for curvilinear motion

= July 29 =

Wikipedia:Reference_desk/Archives/Science/2013 July 29

1. Nearest non-extinct species
2. "Inheritance" of the notion of female beauty
3. Endemism and the Eastern United States...
4. Can mathematical models cause errors in astrophysics

= July 30 =

Wikipedia:Reference_desk/Archives/Science/2013 July 30

1. Domesticated Hedgehog
2. Feeling pain in a dream
3. Deaths Cap in homeopathy and well poisoning
4. Symbol/syntax for denoting an (intentional) error?
5. MPN / CFU relationship

= July 31 =

Wikipedia:Reference_desk/Archives/Science/2013 July 31

1. Visibility of the New Moon
2. To somehow detect Everett's "other worlds": some new "telescope?"
3. Is the moon in the sky exactly as often during the day as during the night?
4. Electron Affinity of flourine< chlorine, why?
5. Utilization of infrared, solar cells.
6. How do you determine if a bird is fat?