If the recipient of an organ donation dies before the donor, could the donated organ be returned to the donor? |
- If the recipient of an organ donation dies before the donor, could the donated organ be returned to the donor?
- The Younger Dryas climate change event occurred around 12,000 years ago and was more rapid (change of about 5 degrees in a few decades) than the climate change happening today. How does it compare to modern climate change? Was there significant extinction and damage to the environment?
- Why does an accelerating electron(or any other charged particle) radiate electromagnetic radiation?
- If you dip a red litmus paper into basic solution, and then dip that litmus paper into an acidic solution, would it turn from blue to red?
- Can someone explain to me Foucaults Pendulum and the Coriolis affect?
- Body temperatures of deep sea animals?
- What does "bubble through mean?
- How “sharp” is a black hole’s event horizon? If I flew past a black hole at a relativistic speed, and accidentally “clipped” the event horizon with a single molecule of my ship, would that molecule of spaceship break off and be sucked into the singularity?
- Why are serotonin agonists used to stop acute migraine, while serotonin antagonists are used for its prevention?
- Relativistic length contraction: a nuclear bomb that explodes or not depending on observer?
- What happens that causes yellowed plastic to whiten when submerged in hydrogen peroxide and exposed to sunlight?
- Why do so many species reproduce in specific locations?
- Why is a graphics card inside the PC instead of inside the monitor?
- In what ways will the death of the red supergiant UY Scuti be different than the death of our own sun?
- Does TSA (Trichostatin A) have an effect on Gram-Positive or Gram-Negative organisms or both?
| Posted: 19 Oct 2019 07:29 PM PDT I've been re-watching the TV show Lost, and if you're not familiar with it, one character donates a kidney to another. Later in the show, the recipient of the kidney dies, and the SO of the donor jokes, "Maybe he left you a kidney." Could the donated kidney theoretically be returned to the donor's body? If so, what might be the medical implications? Would it transfer the recipient's illness to the donor? Would immunosuppressants need to be given to the donor? Thanks in advance for any answers or suggestions where to learn more! [link] [comments]  |
| Posted: 19 Oct 2019 03:35 AM PDT More information from wiki: https://en.wikipedia.org/wiki/Younger_Dryas However there is no comparison there with modern climate change and the effects of the Younger Dryas compared to the projected effects of modern climate change, which is what I'm interested in. [link] [comments]  |
| Why does an accelerating electron(or any other charged particle) radiate electromagnetic radiation? Posted: 20 Oct 2019 07:57 AM PDT |
| Posted: 19 Oct 2019 08:08 PM PDT So I know that dipping red litmus paper into a base will turn it blue. But suppose I then dipped that litmus paper into an acid, would it go back to red? [link] [comments]  |
| Can someone explain to me Foucaults Pendulum and the Coriolis affect? Posted: 20 Oct 2019 06:25 AM PDT So I watched this video, which explains how Foucault's Pendulum works. But I am confused. The video explains the Coriolis effect. He says it has to do with the earth rotating faster at the equator. Wouldn't that mean the effect only affects a cannonball with a north or south trajectory? What if the cannonball was shot directly east or west? As for Foucault's Pendulum, why is the plane that the pendulum rotates in separate from the rotation of the earth? The pendulum is attached to the string, which is attached to the building, which is attached to the earth, so shouldn't the movement of the room also move the string, which would move the pendulum? Why would the swinging of the pendulum change in relation to the ground? Thanks. Edit: This image has helped me understand a bit, I was thinking about it the wrong way. I was thinking on the earth passing under the pendulum due to the rotation of the earth, rather than it spinning like a record underneath. Although I am still pretty darn confused about it all. Edit2: After sitting in a swivel chair and playing with a usb cord and flash drive, I think I understand a bit more but could still use some help understanding. I don't really get how it works anywhere besides the north and south pole, and obviously I can't really think of a good way to simulate that with my chair lol. Edit 3: I tried searching the term Foucault's pendulum in the sub, but I can't really find a good answer. [link] [comments]  |
| Body temperatures of deep sea animals? Posted: 19 Oct 2019 05:20 PM PDT I've read recently that deep sea temperatures are usually around 2°C. How do the body temperatures of deep sea animals relate to this? Wouldn't life just not be able to function at such low temperatures? Or is their biology so fundamentally different than ours that it doesn't even effect them? Bonus points if anyone could give me an example of an animals average body temp [link] [comments]  |
| What does "bubble through mean? Posted: 19 Oct 2019 05:35 PM PDT Hello, I've recently come across a term bubble through in chemistry... e.g. bubble gas form ammonia through liquid form methanol. What is the actual name for this process and how is it performed? Thank you. [link] [comments]  |
| Posted: 18 Oct 2019 11:34 PM PDT |
| Posted: 18 Oct 2019 10:00 PM PDT Could somebody explain why triptans which are 5-HT agonists are used in the management of acute migraine, while pizotifen - a 5-HT antagonist is used for their prevention. I know the pathophysiology isn't perfectly understood but I'm struggling to wrap my head around this [link] [comments]  |
| Relativistic length contraction: a nuclear bomb that explodes or not depending on observer? Posted: 19 Oct 2019 02:14 AM PDT I make a near-critical sphere of u-235. I accelerate it to near the speed of light. In the reference frame of the sphere, it's still a sphere. In the reference frame of an observer at rest, this sphere has contracted to a critical density. Does the chain reaction occur from the point of view of the stationary observer? If it does, how does that reconcile with it not occurring from the point of view of the sphere? This is some variant of known 'paradoxes', but I can't get my head around it. [link] [comments]  |
| Posted: 19 Oct 2019 02:18 AM PDT I have LEGO bricks soaking in 3% hydrogen peroxide and some oxy-clean, and over the course of a few days they have gotten whiter. I understand that there is Bromide in the composition for the plastic bricks, and when exposed to sunlight this separates from the ABS and rises to the surface - resulting in yellowing. What is actually happening in my jar? Can anyone provide a more scientific response other than, brick turn whiter and less yellow. I'm genuinely interested to know as stuff this lie fascinated me to no end. Thanks Edit: Also what role does sunlight play in this? I've been told the UV rays from the sun speeds up the whitening process although can be substituted for heat. I have had the jar sitting outside but I live in the UK and we've had little direct sunlight [link] [comments]  |
| Why do so many species reproduce in specific locations? Posted: 18 Oct 2019 10:05 PM PDT Salmon reproduce in the same location they were born, and I believe many other species have "breeding grounds". What is the evolutionary reason for this behavior, or if it's a vestigial behavior, what was it's use in earlier species? [link] [comments]  |
| Why is a graphics card inside the PC instead of inside the monitor? Posted: 18 Oct 2019 10:26 PM PDT There must be a reason I'm sure, I'm just wondering what it is. [link] [comments]  |
| Posted: 18 Oct 2019 08:28 PM PDT |
| Does TSA (Trichostatin A) have an effect on Gram-Positive or Gram-Negative organisms or both? Posted: 18 Oct 2019 07:02 PM PDT Been trying to find an answer online and I can't find anything. Any help is appreciated! [link] [comments]  |
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