Why do there seem to be so many meteors rich in iron and not gold or copper or some other metal? |
- Why do there seem to be so many meteors rich in iron and not gold or copper or some other metal?
- Since we as humans perceive different light spectrums, are there celestial bodies in the universe that are out of our light spectrum and can't percieve?
- How does antigen binding of the ectodomain of CARs cause changes in the (CD3) ζ signalling tail to permit signal transduction?
- Is the retinal image at the back of our eyes in perception an actual image? When I see a tree is there literally a little image of a tree in the back of my eyeball?
- As the moon was a lot closer to the Earth in prehistoric times, do we know how much more of an impact it had on the tides, if any?
- What is the difference between Hydrogen and Protium?
- Does higher energy electrons produce higher frequencies of light?
- How did NASA and/or spaceX control the landing of robots like Opportunity and Curiosity on Mars when the signal need over 3 minutes to arrive?
- What is the difference in care - like diagnostic capability and treatment plan - if any with doctors from top medical schools and the rest?
- How Does the Cherenkov Effect Work?
- How do we fall asleep? What does our brain do that makes us “asleep,” I was thinking about it and it’s really quite strange. I mean, at what point does your brain decide to go to sleep(as In transition from consciousness to unconsciousness) and how does it do this?
- Why is CO2 concentration the most common metric used when talking about climate change even though methane and other gases have a stronger greenhouse effect?
- Do endocrine disrupters have a permanent effect or do you recover hormonal balance after excretion and reducing exposure?
- How do non-nuclear organelles replicate during mitosis?
| Why do there seem to be so many meteors rich in iron and not gold or copper or some other metal? Posted: 29 Aug 2020 06:01 PM PDT Meteors seem to sometimes be iron globs. What's do special about iron? [link] [comments]  |
| Posted: 29 Aug 2020 05:06 PM PDT As the question states, so we can perceive only a distinct spectrum of light, is there a possibility that there are celestial bodies out in the universe that we humans can't see? And if so how do we know if they're there or not? [link] [comments]  |
| Posted: 30 Aug 2020 04:58 AM PDT I was under the impression conformational changes in the antigen binding site make their way down and cause conformational changes in the endodomain to permit activation. However, I fail to see how a modular construction of the receptor in the case of CAR would lead to the same event? Is the intermediate linking part of the receptor unimportant and as long as a ligand binding domain is linked to a signaling domain activation is possible? TLDR: How does the endodomain know that the antigen binding domain is linked to an antigen? [link] [comments]  |
| Posted: 29 Aug 2020 08:31 AM PDT |
| Posted: 29 Aug 2020 05:31 PM PDT |
| What is the difference between Hydrogen and Protium? Posted: 29 Aug 2020 09:48 AM PDT Protium is an isotope of hydrogen but the atomic structure seems to be the same as hydrogen everywhere I look ( 1 proton, 1 electron, no neutrons ). Am I just being stupid or is there no difference at all? [link] [comments]  |
| Does higher energy electrons produce higher frequencies of light? Posted: 29 Aug 2020 12:33 PM PDT |
| Posted: 29 Aug 2020 05:39 AM PDT I assume they controlled something since lots of people were on the computer when they landed. Was it all just automatic? It's like gaming with 180 000 ms of ping. F Same goes for general space exploration. Do scientists here on earth have to wait 2*distance/(light speed) to see their effect on the craft when they send a command? Maybe it's programmed like: if (passed saturn) { turn around and take picture of big planet } [link] [comments]  |
| Posted: 29 Aug 2020 05:59 AM PDT Do they all use the same diagnostic and treatment guides? [link] [comments]  |
| How Does the Cherenkov Effect Work? Posted: 28 Aug 2020 10:53 PM PDT I heard an explanation saying that it occurs when a charged particle moves faster than the speed of light but wouldn't that be impossible? [link] [comments]  |
| Posted: 28 Aug 2020 08:43 PM PDT |
| Posted: 28 Aug 2020 11:41 AM PDT |
| Posted: 28 Aug 2020 07:02 PM PDT BPA and phtalates are very common among the products we use everyday. If you were to be more aware of them and reduce exposure, would your body adjust hormonal balance to a point before being exposed to these chemicals or do they damage the organs which produce hormones physically? [link] [comments]  |
| How do non-nuclear organelles replicate during mitosis? Posted: 28 Aug 2020 12:39 PM PDT When learning about cell replication, we learn how the DNA itself is replicated in interphase and how the DNA is devided beteeen 2 new cells in mitosis, but what about the rest of the cell's organelles besides the nucleus? Are they replicated and divided within the process or mitosis? Are they created after cytokinesis through coding from the DNA? How long after cytokinesis does the cell actually begin carrying out its normal cell processes? [link] [comments]  |
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