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Why does the efficacy of the COVID vaccines wane so quickly?

Submitted by anton_lindemer t3_yhcktk on October 30, 2022 at 12:01 PM

10 comments

How to chronologically date stones?

Submitted by hoofdletter t3_yepxg7 on October 27, 2022 at 11:52 AM

11 comments

Would we expect other planets to have recognizable rocks?

Submitted by Toorelad t3_ye35gl on October 26, 2022 at 5:03 PM

9 comments

Does the location on the body where surgery happens determine the amount of scar tissue or is it the skill of the surgeon?

Submitted by [deleted] t3_yhca6g on October 30, 2022 at 11:44 AM

11 comments

How can the chicks breathe in their shell?

Submitted by You_Smiled t3_yeivce on October 27, 2022 at 4:51 AM

158 comments

1,418

How does a dog detect low insulin levels?

Submitted by DutchgirlAnonymous t3_ygumvi on October 29, 2022 at 9:00 PM

11 comments

Where did all the sand in the Sahara desert come from?

Submitted by anonioncutter t3_yg6ifh on October 29, 2022 at 1:35 AM

6 comments

Is there a consensus among the medical community on the treatment of preteen and teens that have gender dismorphia?

Submitted by MayorBobbleDunary t3_ygt9yn on October 29, 2022 at 8:03 PM

136 comments

2,263

Would heavy unstable elements at the core of a star have a significantly extended half-life due to gravity?

Submitted by SpectralMagic t3_yeevdf on October 27, 2022 at 1:30 AM

132 comments

1,076

Do ligaments (ACL) build up to an injury or just suddenly fail?

Submitted by Toast1185 t3_ybyeyq on October 24, 2022 at 1:18 AM

48 comments

108

Why do intense radiation burns often reject skin transplants? Is this common with intense regular burns?

Submitted by captainfactoid386 t3_ybzegt on October 24, 2022 at 2:08 AM

6 comments

Is it possible that only 4 moose imported to Newfoundland in 1904 could produce a viable modern population of 110,000 today?

Submitted by SlipCritical9595 t3_yf8s4v on October 28, 2022 at 12:44 AM

111 comments

263

I was drinking tea and got a hair in it. I rotated the cup but the hair seemed like it was stationary even though I was rotating the cup thinking it would then be on the opposite side of the cup away from my mouth. Why does the hair not rotate along with the cup?

Submitted by Nomorethisplz t3_yff98d on October 28, 2022 at 5:33 AM

16 comments

If Robert waldow became so tall because of an excess of hgh, then why does taking hgh not make you taller?

Submitted by Komoasks t3_yf1q0h on October 27, 2022 at 7:59 PM

51 comments

199

What does something that is "fundamental" actually" mean in the context of physics?

Submitted by Nearlythere3 t3_y2zhh9 on October 13, 2022 at 1:59 PM

13 comments

If each side of our body is controlled by the opposite brain hemisphere, how do we blink in sync?

Submitted by killians1978 t3_ycrf85 on October 25, 2022 at 12:42 AM

177 comments

1,853

The concept of mirror neurons are well-known -- roughly speaking, if you see someone in pain, your brain feels the pain -- can your mirror system become desensitized? Can you lose the ability to empathize with people after seeing a lot of people in pain?

Submitted by flushingborn t3_yf46it on October 27, 2022 at 9:37 PM

41 comments

129

Are proteins used inside the nucleus of eukaryotic cells synthesised outside the nucleus (like other proteins) and transported back inside the nucleus? I had things like histones and transcription factors in mind when I thought of this question. Many thanks

Submitted by scuba_dooby_doo t3_y54ndv on October 16, 2022 at 1:52 AM

12 comments

How does your body know where to heal?

Submitted by JavaScriptBest t3_y4eniz on October 15, 2022 at 4:38 AM

9 comments

How do fishes get into isolated inland lakes in the first place? and why don't we see more divergent evolution / speciation given the separation of each group of fishes from each other?

Submitted by I-mean-Literally t3_y5t81e on October 16, 2022 at 10:00 PM

81 comments

306

Is outgrowing asthma possible?

Submitted by ssf18 t3_yevdec on October 27, 2022 at 3:47 PM

19 comments

When getting a scent, why do dogs do a bunch of short, little sniffs instead of one big one?

Submitted by MrCSKing t3_ybwv84 on October 24, 2022 at 12:02 AM

8 comments

What happens when an object enters Earth's atmosphere traveling faster than its terminal velocity?

Submitted by BlastyBeats1 t3_ye0fr6 on October 26, 2022 at 3:09 PM

7 comments

Can someone explain the ethics of testing potentially life saving medication?

Submitted by beatleboy07 t3_yddkz3 on October 25, 2022 at 7:35 PM

54 comments

why can't a photon of appropriate energy enable P->N conversion?

Submitted by sosodank t3_yf0kz3 on October 27, 2022 at 7:14 PM

11 comments