Wikipedia:Reference desk/Archives/Science/September 2019

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September 2

Wikipedia:Reference_desk/Archives/Science/2019 September 2

1. Animals that roll up into a defensive ball

September 3

Wikipedia:Reference_desk/Archives/Science/2019 September 3

1. spy satellites, aids to optics
2. How much slower is a tornado at 10 meters than at the fastest height?

September 4

Wikipedia:Reference_desk/Archives/Science/2019 September 4

1. obesity with brown fat
2. Mars zero elevation
3. At what wind speeds will the sea surface disappear?
4. Why do we find the urge to urinate sometimes increases drastically with proximity to a loo
5. Ostwald Ripening In Blood

September 5

Wikipedia:Reference_desk/Archives/Science/2019 September 5

1. People who look alike

September 6

Wikipedia:Reference_desk/Archives/Science/2019 September 6

1. Usefulness of a billion digit number?
2. Network theory for electrical structures.

September 9

Wikipedia:Reference_desk/Archives/Science/2019 September 9

1. How does an MRI machine not destroy its own electronics?
2. Tan colour from indoor tanning compared to natural sun tanning
3. snails

September 10

Wikipedia:Reference_desk/Archives/Science/2019 September 10

1. tree identification
2. Drinking Chamomile tea cold

September 11

Wikipedia:Reference_desk/Archives/Science/2019 September 11

1. flamsteed designations in the southern constellations

September 12

Wikipedia:Reference_desk/Archives/Science/2019 September 12

1. Expected value of Earth’s distance from:
2. Are tapirs odd or even-toed ungulates??

September 13

Wikipedia:Reference_desk/Archives/Science/2019 September 13

1. Sprayed concrete lining
2. Root canal treatment by vacuum suction

September 14

Wikipedia:Reference_desk/Archives/Science/2019 September 14

1. Where can I find the pathway of coronary catheterization from the hand to the coronary arteries?

September 15

Wikipedia:Reference_desk/Archives/Science/2019 September 15

1. What is the preferred solvent for acrylic paints used in art?
2. What was the advantage for the Russians to use nuclear reactor in the propulsion system of the rocket that exploded in the Arctic recently?
3. What is the benefit of grass-fed beef?
4. Are dreams stereoscopic?

September 16

Wikipedia:Reference_desk/Archives/Science/2019 September 16

1. Clinical trials for drug addiction
2. signs of fissure healing
3. Survival instinct in moths and mosquitoes

September 17

Wikipedia:Reference_desk/Archives/Science/2019 September 17

1. Green moon

September 18

Wikipedia:Reference_desk/Archives/Science/2019 September 18

1. Africa
2. Subtended angle
3. Anaphylaxis definition
4. Role of Coenzyme Q-10

September 19

Wikipedia:Reference_desk/Archives/Science/2019 September 19

1. iliotibial band
2. Ancient Greeks and colorblindness

September 20

Wikipedia:Reference_desk/Archives/Science/2019 September 20

1. Blood plasma
2. Raising the freezing point of a water solution.

September 21

Wikipedia:Reference_desk/Archives/Science/2019 September 21

1. Spring design for bouncy garden ornament

September 22

Wikipedia:Reference_desk/Archives/Science/2019 September 22

1. Old models of galaxy formation
2. Could the static from a fluorescent lamp damage electronics?
3. Restoring contacts corroded by Alkaline battery leakage

September 23

Wikipedia:Reference_desk/Archives/Science/2019 September 23

1. If raffinose can be hydrolysed to galactose (and fructose and glucose), why doesn't raffinose induce the GAL1 promoter?

September 24

Wikipedia:Reference_desk/Archives/Science/2019 September 24

1. LED lights in series
2. Lead-acid batteries for grid storage

September 27

Wikipedia:Reference_desk/Archives/Science/2019 September 27

1. Interpretation of obscure blood test results
2. Exhaling vapor at above zero

September 28

Wikipedia:Reference_desk/Archives/Science/2019 September 28

1. Bromhexine residue

September 29

Wikipedia:Reference_desk/Archives/Science/2019 September 29

1. second interstellar object