/f/askscience

Submissions
Comments

- Hot
- New
- Active
- Top
- Controversial
- Most commented

(Biology) How far down your spine can you break before respiratory impairment?

Submitted by Anomaly-Friend t3_11ymdjl on March 22, 2023 at 3:24 PM

183 comments

430

What’s the oldest know tortoise with a documented hatching date?

Submitted by The_Real_Mr_F t3_11z6jvg on March 23, 2023 at 2:59 AM

10 comments

Why is AI bad at maths?

Submitted by eagle_565 t3_11yj4iu on March 22, 2023 at 1:27 PM

28 comments

1,375

When people can’t walk it means they have broken neural pathways. Then why can’t you just connect them?

Submitted by CuteAlexaL t3_11yj4qv on March 22, 2023 at 1:28 PM

12 comments

Can you extract a fully concentrated liquid out of an ice cube (like Coca Cola) until there's almost no water left?

Submitted by Froggiebuns t3_11xruud on March 21, 2023 at 7:39 PM

48 comments

362

Why that walking with the arms moving is easier than walking with them still?

Submitted by BossBo161812 t3_11tmsln on March 17, 2023 at 10:04 AM

14 comments

How big can a single molecule get?

Submitted by eagle_565 t3_1200dad on March 23, 2023 at 10:48 PM

No comments

Before forming a peptide bond the amino acid contains a carboxyl group, which reacts with the amine group to produce a peptide bond and water is produced. What is the name for the new groups in an amino residue within a polypeptide, if there are any? Especially the C=O left from the carboxyl group?

Submitted by flowergirlhyuck t3_11yjbpc on March 22, 2023 at 1:35 PM

6 comments

When the amplitude of a longitudinal wave changes, why doesn't the wavelength change?

Submitted by senpai_maccer t3_11xeku9 on March 21, 2023 at 11:54 AM

9 comments

Do whales and sharks etc. have any sense of their location in the ocean, or do they live a life simply “lost at sea”?

Submitted by Legitimate-BurnerAcc t3_11wha83 on March 20, 2023 at 12:15 PM

16 comments

Is it possible to tell which parent a somatic chromosome came from without testing the parents?

Submitted by WillMammoth t3_11vc3a5 on March 19, 2023 at 5:09 AM

7 comments

Animals with more neurons outside the brain than inside?

Submitted by placidbeans t3_11x3fm3 on March 21, 2023 at 1:55 AM

26 comments

If the universe is constantly expanding, how is the law of conservation of energy obeyed?

Submitted by Pristine_Pop_7818 t3_11w9asm on March 20, 2023 at 5:09 AM

9 comments

Has the HIV virus become less deadly?

Submitted by shaun3000 t3_11x23pw on March 21, 2023 at 12:58 AM

53 comments

Can testosterone levels in men increase after having kids?

Submitted by GeologistAlarming402 t3_11um9ql on March 18, 2023 at 11:47 AM

9 comments

How rice paddies don't drain while in use?

Submitted by DraxialNitris t3_11yl60y on March 22, 2023 at 2:43 PM

No comments

What the hell is the actual difference between an isotope and a nuclide??

Submitted by amypinecone t3_11wj8gk on March 20, 2023 at 1:43 PM

17 comments

Why is death by respiratory failure in cases when the problem is only muscular (and not a problem with the lungs themselves) so prevalent? why is it so hard to assist respiration long term? Why are ventilators so unsophisticated and brutal on the lungs?

Submitted by Eschatologists t3_11qn3eo on March 13, 2023 at 9:54 PM

11 comments

I always hear people say “That will give you cancer”. But how do things actually give you cancer?

Submitted by trimdaddyflex t3_11xxica on March 21, 2023 at 10:41 PM

No comments

How do we know if a comet will hit earth?

Submitted by VloeibaarHout t3_11wwmdp on March 20, 2023 at 9:30 PM

13 comments

If semaglutides just make you eat less, how can they not result in the same metabolic effects of weight loss via calorie restriction?

Submitted by slightofhand1 t3_11oc71o on March 11, 2023 at 5:52 AM

7 comments

Why aren’t distant galaxies warped across the sky??

Submitted by bol-nooney22 t3_11wvgtm on March 20, 2023 at 8:51 PM

8 comments

Can the direction of a parent/child relationship be determined from two DNA samples?

Submitted by DrOmega2468 t3_11uedet on March 18, 2023 at 4:31 AM

7 comments

When someone goes into an accident-induced coma at what point is it unlikely that they will ever wake up?

Submitted by Legodudelol9a t3_11qw8ks on March 14, 2023 at 4:12 AM

36 comments

227

Why have many plants evolved to need nitrogen-rich soil, when there is so much nitrogen freely available in they air they use anyway?

Submitted by runningchild t3_11urstc on March 18, 2023 at 3:45 PM

11 comments