Do honeybees, wasps and hornets have a different cocktail of venom in their stings or is their chemistry pretty much all the same? |
- Do honeybees, wasps and hornets have a different cocktail of venom in their stings or is their chemistry pretty much all the same?
- Why do nuclear bombs form this typical mushroom cloud and not just a ball shaped cloud?
- Has the universe existed long enough for entire galaxies to have been born and died?
- How does diesel not combust in the high pressures of the high pressure fuel pumps of modern diesel engines?
- Why do our fingers wrinkle in water?
- Why do IC engines produce low torque at low RPM?
- Has the global response to COVID-19 (lock downs, work from home etc) resulted in lower Greenhouse Gas Emissions?
- How does hepatitis C evade the immune system?
- What is the pathophysiology of withdrawal tremors?
- Do reptile eyes have a sclera?
- How did Astrazeneca get past phase one trials despite causing fatal blood clots?
- How similar are the fingerprints of relatives? Could a relative be traced via fingerprint similarity to other relatives?
- Why don't some species breed in captivity? What's keeping them?
- Why does the tympanic membrane not get damaged when an ear irrigation is done ?
- Why does water spin in a different direction in the southern hemisphere?
| Posted: 17 Apr 2021 10:02 PM PDT |
| Why do nuclear bombs form this typical mushroom cloud and not just a ball shaped cloud? Posted: 17 Apr 2021 11:44 AM PDT |
| Has the universe existed long enough for entire galaxies to have been born and died? Posted: 17 Apr 2021 05:29 PM PDT Certainly it has happened with stars, but could an entire galaxy have formed and died out in the time since the big bang? I vaguely feel like the universe isn't old enough for that yet, but I'm not an astronomer. (this question inspired by a meme I saw that said "Cthulhu saw galaxies flare into life and fade from view before he put madness in the minds of men") [link] [comments]  |
| Posted: 17 Apr 2021 06:36 AM PDT I know the pressures in most modern diesel engines for fuel rail pressure seem insane to a normal person, I know the one in my VW is something like 18,500 psi. That strikes me as higher than most of the pressures achieved in the cylinder. So that seems like it should be an issue but it isn't seeming to be. [link] [comments]  |
| Why do our fingers wrinkle in water? Posted: 17 Apr 2021 08:07 PM PDT |
| Why do IC engines produce low torque at low RPM? Posted: 17 Apr 2021 04:53 PM PDT A typical NA IC engine generally has a symmetrical torque curve peaking in the middle of the rev range. The reasons for reduced torque at high RPM are clear to me - air flow restrictions, increased friction - but at low RPM I'm less certain. I know heat loss and exhaust resonance play a role, but this does not seem sufficient to account for the full difference. [link] [comments]  |
| Posted: 17 Apr 2021 10:27 AM PDT |
| How does hepatitis C evade the immune system? Posted: 17 Apr 2021 08:02 AM PDT Unlike hep B, most adults infected with Hep C develop a chronic form of the disease with it getting cirrhosis or cancer. How does it achieve that evasion? When an infected cell 'bursts' are there no immune cells around to detect the antigen? My simplistic understanding of HIV is that it hides in T-cells.. where does Hep C hide? How much of a role does genetic variability play wwhen it comes to immune evasion? [link] [comments]  |
| What is the pathophysiology of withdrawal tremors? Posted: 17 Apr 2021 06:08 PM PDT I understand that when you are addicted to a substance, your body adjusts and compensates for certain hormones/chemicals. But why exactly do the tremors happen? I'm curious about in depth answers on other withdrawal symptoms as well. Thank you! [link] [comments]  |
| Do reptile eyes have a sclera? Posted: 17 Apr 2021 09:10 AM PDT Do reptiles have a ring around their iris? What color is it? On average, how large is the area compared to the diameter of the iris? (I'm wanting to draw a reptile eyeball and I want it to be as accurate as possible) [link] [comments]  |
| How did Astrazeneca get past phase one trials despite causing fatal blood clots? Posted: 18 Apr 2021 04:33 AM PDT |
| Posted: 17 Apr 2021 05:14 AM PDT I read somewhere there is a heritable feature to fingerprints, if this is so, are there any family patterns that can be identified, and therefore, can a missing person for example be found if their fingerprints were taken somewhere? [link] [comments]  |
| Why don't some species breed in captivity? What's keeping them? Posted: 17 Apr 2021 11:27 AM PDT |
| Why does the tympanic membrane not get damaged when an ear irrigation is done ? Posted: 17 Apr 2021 05:34 AM PDT |
| Why does water spin in a different direction in the southern hemisphere? Posted: 17 Apr 2021 07:08 AM PDT I have seen those videos filmed on the equator, where people go from one hemisphere to the other and the water spinning direction changes. What is the cause of this? [link] [comments]  |
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