Wikipedia:Reference desk/Archives/Science/January 2021

}} {{#ifeq:{{NAMESPACE}}|Wikipedia|{{#switch:{{NAMESPACE}}|= |}}

width = "100%"

! width="25%" align="center"|<< Dec | Science desk | Feb >>

align=center width=95% style="background: #FFFFFF; border: 1px solid #003EBA;" cellpadding="8" cellspacing="0"
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.

__TOC__

= January 1 =

Wikipedia:Reference_desk/Archives/Science/2021 January 1

1. Onion ring - Bispropenyl disulfide?
2. What are candidates for the decade with the most weather records under various emissions scenarios?
3. How to understand pitch in sound subject?
4. Why nuclear fusion instead of breeder reactors

= January 2 =

Wikipedia:Reference_desk/Archives/Science/2021 January 2

1. Silvery shiny inside of bags with chips
2. The loopholes that form the galaxy
3. Newtonian Physics, gravity: Do bodies of much larger mass actually fall faster?
4. Why does dandruff glow in UV (black light)?

= January 4 =

Wikipedia:Reference_desk/Archives/Science/2021 January 4

1. The loopholes that form the galaxy part 2 ，to make the question clearer
2. Rain, probability of
3. Bullet deceleration
4. Delayed response to heat
5. During male orgasm, what really happen in brain?

= January 5 =

Wikipedia:Reference_desk/Archives/Science/2021 January 5

1. The loopholes that form the galaxy part 3
2. What aerosol can will give the best chance of killing a big spider that's close to escape?
3. Why CV Raman awarded Nobel prize for scattering effect?

= January 6 =

Wikipedia:Reference_desk/Archives/Science/2021 January 6

1. How does Raman spectroscopy look like?
2. Quantectum earthquake prediction
3. could a supercomputer create genetic variation?

= January 7 =

Wikipedia:Reference_desk/Archives/Science/2021 January 7

1. Do quantum computers have display like home PC?

= January 8 =

Wikipedia:Reference_desk/Archives/Science/2021 January 8

1. Steam traction in France
2. Steam locomotive comparison
3. Firefighting trains
4. Nerve response in a dead body
5. Yo-yo and Maxwell pendulum

= January 9 =

Wikipedia:Reference_desk/Archives/Science/2021 January 9

1. Food

= January 10 =

Wikipedia:Reference_desk/Archives/Science/2021 January 10

1. Drug Addition
2. Do chimpanzees prepare for pregnancy?

= January 11 =

Wikipedia:Reference_desk/Archives/Science/2021 January 11

1. When will Mars 2020 return sample to earth?
2. Any real animal that people can ride on water like Lapras?
3. How can Perseverance (rover) can land on Mars before Tianwen-1 rover?
4. Help identify a goose-like family
5. Reflexive gasp

= January 12 =

Wikipedia:Reference_desk/Archives/Science/2021 January 12

1. Eastern or Western Grey Squirrel

= January 13 =

Wikipedia:Reference_desk/Archives/Science/2021 January 13

1. How can catalyst can speed up chemical reaction without participating in it?
2. Is there any references about ionic insulators?
3. Why so much commercial cultivation of oil-palm in Southeast Asia, and so little in West-Southwest Africa?
4. Ffp3 mask
5. "Sub-" in geography

= January 14 =

Wikipedia:Reference_desk/Archives/Science/2021 January 14

1. obese people to lie down on their sides
2. Animals with Milk Production at Upper end of Torso rather than Lower.
3. Mask with Ag+

= January 15 =

Wikipedia:Reference_desk/Archives/Science/2021 January 15

1. Healthcare Visit Frequency Notation
2. Christmas tree recycling
3. Why did CERN invent WWW?
4. Where can I find current progress of open physics questions?

= January 16 =

Wikipedia:Reference_desk/Archives/Science/2021 January 16

1. Chest x-rays
2. How many OPEN questions Spitzer Space Telescope did solve?
3. Cupron cell

= January 17 =

Wikipedia:Reference_desk/Archives/Science/2021 January 17

1. Why NASA still running Hubble space telescope ?

= January 18 =

Wikipedia:Reference_desk/Archives/Science/2021 January 18

1. Why do heart patients feel numbness in left arm?
2. Sydney Harbour Bridge
3. Diary of Portuguese traveller from 1506.
4. What laying position is more likely to cause nocturnal emission, prone or supine positions?

= January 19 =

Wikipedia:Reference_desk/Archives/Science/2021 January 19

1. substitution reactions of alcohols with halides to form alkyl halides
2. What makes General relativity is different from Quantum mechanics?
3. Who won Thorne–Hawking–Preskill bet at the end?

= January 20 =

Wikipedia:Reference_desk/Archives/Science/2021 January 20

1. Alpha Centauri is getting closer
2. Reflecting telescope Vs Refracting telescope

= January 21 =

Wikipedia:Reference_desk/Archives/Science/2021 January 21

1. Iron presence in human body.
2. Can you help me find a WP:MEDRS that shows the use of berberine in treating traveller's diarrhea?

= January 22 =

Wikipedia:Reference_desk/Archives/Science/2021 January 22

1. Mythbusting James Bond
2. What mistake did Newton in Perihelion precession of Mercury?
3. What does "predictions of general relativity " mean?
4. transparency in the Visible spectrum and metallic bonds.

= January 23 =

Wikipedia:Reference_desk/Archives/Science/2021 January 23

1. Why did Nobel prize consider "genome editing" as Chemistry field?

= January 24 =

Wikipedia:Reference_desk/Archives/Science/2021 January 24

1. If Stephen Hawking alive, would he win Nobel Prize 2020 along with Roger Penrose?
2. Food preparing costs vs obtained energy

= January 25 =

Wikipedia:Reference_desk/Archives/Science/2021 January 25

1. Why don't we consider air resistance in calculating gravity?
2. Heat energy transfer to gases
3. Brazilian pepper?

= January 26 =

Wikipedia:Reference_desk/Archives/Science/2021 January 26

1. What's so funny in this lengthy equation?
2. How many different genotypes and phenotypes do you expect in this crossover?
3. How not to patent does help in further the advancement of science?

= January 27 =

Wikipedia:Reference_desk/Archives/Science/2021 January 27

1. What is the task in the picture?
2. Which is more massive, a quasar or a quark star?

= January 28 =

Wikipedia:Reference_desk/Archives/Science/2021 January 28

1. Scheduling in a production line
2. Opiate Allergy

= January 29 =

Wikipedia:Reference_desk/Archives/Science/2021 January 29

1. baseball in space
2. What are the lines in these satellite images?

= January 30 =

Wikipedia:Reference_desk/Archives/Science/2021 January 30

1. Why blood won't come if tooth loose naturally?

= January 31 =

Wikipedia:Reference_desk/Archives/Science/2021 January 31

1. Which theory explains Earth rotation?
2. Into what does the human body convert acetic acid?