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can brass be broken down into it's original metals?

Submitted by s33761 t3_zy83rw on December 29, 2022 at 3:31 PM

8 comments

What’s causes your appendix to burst?

Submitted by UF2PCV t3_zgh3sl on December 9, 2022 at 12:19 AM

12 comments

Are there any viruses that humans must have in/on our bodies in order to stay alive?

Submitted by [deleted] t3_zgf4xf on December 8, 2022 at 11:08 PM

40 comments

I recently learned that humans can smell rain / petrichor (ozone and geosmin) better than sharks smell blood, now considering we don't have any extra hyper specific olfactory organs like some other animals do, how do we achieve this level of detection?

Submitted by Corvuscoraxaphro t3_zuzy3o on December 25, 2022 at 3:17 PM

92 comments

985

Do nerve endings closer to the brain / spinal cord take less time to transmit signals because there is less distance to travel?

Submitted by ssinatra3 t3_zzgd7y on December 31, 2022 at 12:29 AM

17 comments

What's the difference in your brain between seeing an object, thinking about that object, and visualizing an object?

Submitted by trey3rd t3_zg8jci on December 8, 2022 at 7:20 PM

15 comments

How long could a rabies vaccine last?

Submitted by News_of_Entwives t3_zg7zyj on December 8, 2022 at 7:01 PM

25 comments

What determines the color of an incoming metorite?

Submitted by WagTheKat t3_zwlrhu on December 27, 2022 at 6:03 PM

39 comments

367

Why does tapping on the edge of a stuck jar lid loosen it and make it easier to open?

Submitted by kisar1 t3_zv3yyj on December 25, 2022 at 6:49 PM

17 comments

What is the capacitance of the earth? Using the formula for capacitance of sphere it is 710 μF but earth is considered as infinite source/sink of charge, doesn't that mean that the capacitance of earth is infinite?

Submitted by Terrible_Anywhere990 t3_zg0mc0 on December 8, 2022 at 2:33 PM

6 comments

What is the timeline of star death?

Submitted by jfgallay t3_zx1xej on December 28, 2022 at 5:58 AM

23 comments

AskScience AMA Series: I'm Finn Brunton, and I wrote a book about the history of cryptocurrencies. Ask me anything!

Submitted by AskScienceModerator t3_zfwuxs on December 8, 2022 at 12:00 PM

30 comments

Are there a lot more diseases for land animals than sea creatures? If yes, why?

Submitted by Bored_Survivor t3_zfvx6l on December 8, 2022 at 11:07 AM

88 comments

533

Ask Anything Wednesday - Economics, Political Science, Linguistics, Anthropology

Submitted by AutoModerator t3_zxbnwz on December 28, 2022 at 3:00 PM

166 comments

724

Are "core memories" a real thing?

Submitted by Admirable_Ad1947 t3_zfr27u on December 8, 2022 at 6:16 AM

18 comments

How much has our view of the Moon changed throughout human history? When I look up am I seeing the Moon as it appeared, more or less, to William the Conquerer? Caesar? King Tut?

Submitted by ayebrade69 t3_zfmnt2 on December 8, 2022 at 2:49 AM

37 comments

How does the non-CO2 emissions of an external combustion engine compare to an internal combustion engine?

Submitted by Past_Self_4845 t3_ztln0m on December 23, 2022 at 4:33 PM

12 comments

Can something without mass, such as a beam of light, have kinetic energy?

Submitted by jason_396 t3_zfftif on December 7, 2022 at 10:14 PM

11 comments

What is this extra strip in a RAT test for ?

Submitted by humperty t3_zzu9fe on December 31, 2022 at 1:35 PM

2 comments

What is the theoretical limit to a helicopters speed?

Submitted by RufusSwink t3_zfetcx on December 7, 2022 at 9:39 PM

16 comments

Have living things always had an immune system? How did they survive / evolve to deal with diseases, and how does that compare to modern immune systems?

Submitted by bruceleroy99 t3_zf4l29 on December 7, 2022 at 3:53 PM

29 comments

167

Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science

Submitted by AutoModerator t3_zf37c4 on December 7, 2022 at 3:00 PM

84 comments

Why are Day/Night temperature changes larger in summer than in winter?

Submitted by photenth t3_zf2ubk on December 7, 2022 at 2:45 PM

49 comments

359

Are people who live in certain climates less susceptible to the effects of the weather there?

Submitted by dxrknxrth t3_ztc5yv on December 23, 2022 at 10:32 AM

16 comments

If you wrapped a human in a theoretical blanket that was able to insulate 100% of heat produced by the person, would that person’s body temperature eventually reach equilibrium, or would their metabolism cause them to keep getting hotter and hotter until they perish?

Submitted by NonEuclideanGal t3_zeov3u on December 7, 2022 at 1:52 AM

20 comments