/f/askscience

Submissions
Comments

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

Will moist food spoil in low pressure environments like a near-vacuum?

Submitted by houstoncouchguy t3_111q9v1 on February 14, 2023 at 1:34 AM

10 comments

What is the biological significance of the fact that the genetic code is degenerate?

Submitted by camilia_stone24 t3_118a969 on February 21, 2023 at 5:08 PM

7 comments

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

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

What causes tree leaves to change color?

Submitted by 23emm t3_xxt568 on October 7, 2022 at 7:57 AM

8 comments

Are there any ways to differentiate between true and false memories?

Submitted by PrestigiousClient655 t3_xzh1p3 on October 9, 2022 at 9:09 AM

15 comments

Are there records of prehistoric pandemics?

Submitted by PeskieBrucelle t3_yhth1g on October 30, 2022 at 11:16 PM

21 comments

Why does the denser oceanic crust subduct when converging with a continental crust?

Submitted by MirMirss t3_ykxgcu on November 3, 2022 at 9:37 AM

9 comments

Why is CTE only discoverable post-mortem?

Submitted by Juanmilliondollars t3_ym5ds5 on November 4, 2022 at 5:45 PM

7 comments

Can we tell whether the bonds in a molecule are polar or nonpolar just by knowing the dipole moment of these molecules?

Submitted by Hidden-Felon t3_ym6g13 on November 4, 2022 at 6:27 PM

9 comments

What’s causes your appendix to burst?

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

12 comments

If stomach acid id HCl then what happens when you drink water?

Submitted by SonicPixels t3_zxtswi on December 29, 2022 at 3:03 AM

6 comments

Is it possible to make a black hole by heating something enough?

Submitted by Confused-teen2638 t3_zjznwm on December 12, 2022 at 1:51 PM

7 comments

At what point in Earth's history was the night sky brightest?

Submitted by thalliusoquinn t3_zliw9j on December 14, 2022 at 5:45 AM

10 comments

What exactly are ashes?

Submitted by krFrillaKrilla t3_107165l on January 9, 2023 at 1:49 AM

12 comments

Can a recessive gene become a dominant gene? If so, how long would it take?

Submitted by Pretend-Recover-4418 t3_10bzb2w on January 14, 2023 at 9:02 PM

23 comments

What evidence is there for non-physical attributes being passed down from ancestors to their descendants through DNA?

Submitted by PeanutSalsa t3_10w5xl5 on February 7, 2023 at 4:22 PM

12 comments

Is it possible for a planet to have two rings with different radius, and not on the same plane?

Submitted by YYM7 t3_10wqwrf on February 8, 2023 at 7:53 AM

14 comments

What wild cat did my house cat descend from? Why aren’t there a variety of housecat-like animals in savannahs and jungles? Why can orange, grey, and other patterns of pet floofs be seen in homes but not in the wild?

Submitted by writing_spork t3_111ugr7 on February 14, 2023 at 5:06 AM

16 comments

Why do some vaccines hurt/itch/cause swelling more than others?

Submitted by [deleted] t3_112myd5 on February 15, 2023 at 2:15 AM

6 comments

why is sign convention for work different on chemistry and physics?

Submitted by Melodic-Recipe2618 t3_119tnoj on February 23, 2023 at 9:34 AM

9 comments

Energy can not dissappear or be created, only change form, right? Earth is blasted by the sun 24/7, where does the excess energy go, because I guess it doesn't stay here or we'd cook

Submitted by mr_greenmash t3_11six1y on March 16, 2023 at 3:30 AM

15 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

We're often taught that objects travel to lower energy states to reach stability. But the energy of the universe is constant - doesn't that just mean other surrounding things go to higher energy states? What decides which thing gets to have low energy?