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Does a person's voice get less deeper as they age?

Submitted by THe_Alpha_OP t3_z08vn8 on November 20, 2022 at 4:50 PM

10 comments

Regarding a moon colony; does sound at 1bar behave differently in 1g or 0.16g?

Submitted by platypodus t3_z0dg2d on November 20, 2022 at 7:52 PM

8 comments

Ask Anything Wednesday - Engineering, Mathematics, Computer Science

Submitted by AutoModerator t3_ywvph3 on November 16, 2022 at 3:00 PM

162 comments

247

Is it possible to have 4 copies of a single chromosome?

Submitted by Temporary_turbulance t3_yzbcyq on November 19, 2022 at 1:00 PM

20 comments

If you froze soda for a year, would be still fizz when thawed out?

Submitted by The_Grand_Canyon t3_yy44ri on November 17, 2022 at 10:50 PM

28 comments

why does selective breeding speed up the evolutionary process so quickly in species like pugs but standard evolution takes hundreds of thousands if not millions of years to cause some major change?

Submitted by GroundbreakingAd93 t3_yzqnzm on November 20, 2022 at 12:35 AM

No comments

How do medical researchers obtain lab animals with diseases like specific forms of cancer which arise spontaneously? Do they raise thousands of apes and hope some eventually develop the disease?

Submitted by userbrn1 t3_yt84g7 on November 12, 2022 at 2:11 PM

197 comments

1,690

Are we actually running out of Lithium what caused this problem? Also are shifts to renewable energy contributing to the inevitable lithium shortage projected to start by 2025?

Submitted by Inevitable_Clue9322 t3_yryhu4 on November 11, 2022 at 2:11 AM

11 comments

Why don't barnacles or seaweed grow on sea turtles as on seaboats? (all the rescue videos of turtles overgrown with stuff are fake glued on by upvote farms)

Submitted by SvenAERTS t3_yszlyc on November 12, 2022 at 7:22 AM

12 comments

What is the difference between Special, Classical and General Relativity?

Submitted by Balazspapai t3_ys1kjg on November 11, 2022 at 4:55 AM

36 comments

is the change from high mass object to blackhole sudden or does it happen through a process?

Submitted by RevolutionaryAd4161 t3_ytgc71 on November 12, 2022 at 7:39 PM

11 comments

If you were to freeze an acid, would the solid still be acidic enough to eat through something?

Submitted by profanearcane t3_ytpyj7 on November 13, 2022 at 2:54 AM

6 comments

Why are saurischians (lizard-hipped) and ornithiscians (bird-hipped) named as such when literally all birds (and the things they are closely related to) are saurischians and herbivorous dinosaurs that are anything but bird-like are considered bird-hipped?

Submitted by [deleted] t3_ywuejq on November 16, 2022 at 2:09 PM

12 comments

What would the pressure be like in a body of water in free fall?

Submitted by OneTreePhil t3_yx9z3q on November 16, 2022 at 11:34 PM

27 comments

What exactly is information?

Submitted by [deleted] t3_yy5887 on November 17, 2022 at 11:39 PM

7 comments

Are maturation and aging two separate processes in the human body? If so, at what point in your life, exactly, does one end and the other begin? Basically, when does your body reach "full development" and then starts to slowly deteriorate?

Submitted by I_got_too_silly t3_yy0r9t on November 17, 2022 at 8:32 PM

9 comments

I saw in a video that chimpanzees and gorillas do not knuckle-walk in the same way, but they didn't explain what the difference is. Could someone elaborate on the physiological/anatomical differences?

Submitted by [deleted] t3_yxgurq on November 17, 2022 at 4:47 AM

132 comments

1,964

Are there any K-Strategists insects?

Submitted by [deleted] t3_yu3hs6 on November 13, 2022 at 2:39 PM

64 comments

533

Does your gut/gastrointestinal/digestive health affect how you feel mentally/psychologically?

Submitted by lilm8ey t3_yuytf5 on November 14, 2022 at 1:05 PM

149 comments

1,129

Is their a left / right bias ?

Submitted by Miknarf t3_yy5qeh on November 18, 2022 at 12:02 AM

8 comments

why do some animals have pointy ears and other round? don't they all do the same?

Submitted by satyrsaw t3_yu1azu on November 13, 2022 at 1:12 PM

7 comments

where does sense of direction come from?

Submitted by Danjeczko3 t3_yuyrw9 on November 14, 2022 at 1:04 PM

18 comments

If energy levels in quantum systems are quantized, where does the excess energy go?

Submitted by Least_Ad104 t3_ywrona on November 16, 2022 at 12:09 PM

7 comments

Where do mitochondrial protons come from?

Submitted by Infinite-Flow7945 t3_yx71bm on November 16, 2022 at 9:37 PM

31 comments

Is there an anatomical reason Chicken Pox scars form where they do?

Submitted by [deleted] t3_yxs19e on November 17, 2022 at 2:41 PM

94 comments

798