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Is there a limit to the number of sounds you can hear simultaneously?

Submitted by xXxjayceexXx t3_123l30d on March 27, 2023 at 12:07 PM

52 comments

Would radiation be "pitch-shifted" (like the Doppler Effect) if it were to hit you while you were going incredibly fast, say half the speed of light?

Submitted by SimianLines t3_zqf68i on December 20, 2022 at 5:08 AM

17 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

Why do poultry producers kill their stock when they get bird flu, rather than keeping survivors to reproduce?

Submitted by poorbill t3_1098pk6 on January 11, 2023 at 4:21 PM

54 comments

Does regularly taking aspirin reduce its effectiveness to reduce pain?

Submitted by tiltedpyramid t3_11sx8oh on March 16, 2023 at 3:26 PM

41 comments

My 4y/o told me her dream about losing teeth without ever knowing it's a common dream. Are there any other examples of cross-cultural phenomena that centers on a specific narrative?

Submitted by [deleted] t3_10cc5e7 on January 15, 2023 at 5:57 AM

29 comments

Has the HIV virus become less deadly?

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

53 comments

Would person with AIDS need to take immunosupressants for transplated organs?

Submitted by qutronix t3_yufck3 on November 13, 2022 at 9:43 PM

16 comments

Estimating roughly, how much of a bacterial genome is thought to be of viral origin?

Submitted by josephrainer t3_10yti6r on February 10, 2023 at 2:34 PM

7 comments

When a military helicopter fires thousands of rounds while hovering still, does the operator have to slow the rotor to compensate for weight loss?

Submitted by Legitimate-BurnerAcc t3_z0y2dl on November 21, 2022 at 12:42 PM

37 comments

Do female marsupials give birth through a cloaca or do they have a separate vaginal opening like placentals?

Submitted by Pe45nira3 t3_1190htj on February 22, 2023 at 2:19 PM

17 comments

How do Earthquakes affect animals?

Submitted by ObberGobb t3_10vlp4r on February 6, 2023 at 11:25 PM

14 comments

Is there a term for lake bottoms that "hour glass" (temporarily becomes wider following a "shelf" as the depth increases ) , how do bathymetric maps depict this, and does this have a common affect on turbidity, thermoclines, or other characters?

Submitted by Irisgrower2 t3_10ujc84 on February 5, 2023 at 6:21 PM

15 comments

Why are skeletal muscle fibres bundled?

Submitted by Repulsive_Cry_2200 t3_10d3ikf on January 16, 2023 at 3:14 AM

13 comments

Is my rock from Ireland different from my American rocks?

Submitted by LadyLaLas t3_11i2snq on March 4, 2023 at 3:57 PM

28 comments

How do ancient cities get buried under more modern ones?

Submitted by inexister t3_11dyv29 on February 28, 2023 at 6:20 AM

43 comments

What, if at all, is the link between linguistic morphology and the topography of where a given language originated?

Submitted by Djinn_and_juice t3_1070lih on January 9, 2023 at 1:23 AM

28 comments

Has PTSD due to trauma and/or violence affected humans for centuries or is this a more recent phenomenon? Have there always been long-term effects when an individual experiences trauma and/or violence?

Submitted by shooflydont t3_ym5buo on November 4, 2022 at 5:43 PM

67 comments

Has a new animal species evolved since mankind’s existence?

Submitted by coding_ac t3_10nf3kw on January 28, 2023 at 1:29 PM

70 comments

Why does normal pain medicine helps you with a headache for a few hours but not make you immune to all pain?

Submitted by popolvar t3_zkrmej on December 13, 2022 at 9:30 AM

11 comments

Why do sonic booms happen at the speed of sound specifically? What does the speed of wave propagation have to do with the compression of air in front of a moving object?

Submitted by SS7Hamzeh t3_ziligu on December 11, 2022 at 9:03 AM

58 comments

If collagen is a protein, and proteins are broken down during digestion, why would collagen or collagen supplements be beneficial? Is it just hype?

Submitted by skepticated t3_zyo5tr on December 30, 2022 at 2:18 AM

60 comments

Does cooking eggs and red onions create a chemical reaction?

Submitted by womp-the-womper t3_zwsk2t on December 27, 2022 at 10:40 PM

37 comments

I've been informed that a pig's orgasm is estimated to be around thirty minutes. However, I'm curious to know how they came to this conclusion. What's the science behind it?