How do we get Vitamin D from sunlight? |
- How do we get Vitamin D from sunlight?
- How do scientists know an animal can see colors we humans can't? (And vice versa)
- Are there any good examples of species who hit an evolutionary “fork” and further evolved separately into both predator and prey?
- Why is the inner solar system rocky (inner planets), the outer solar system gas (outer planets), and the far outer solar system rocky (Oort cloud, transNeptunian objects)?
- Can fast-moving water freeze? What if vigorously stirred, shook or otherwise manipulated a bottle of water while lowering the temperature lower than freezing?
- Does the terminal velocity of a rising bubble in water change if the bubble gets bigger?
- Does iron stop being attracted by magnets when it gets hot enough?
- What does this frequent tremors of earthquake mean ?
- How is the last set of numbers in Coronavirus nomenclature decided on?
- What sort of geothermal power potential is there on Mars?
- How do meteorologist forecast the path of a cyclone so accurately?
- What causes new moles to form?
- What is the difference between desorption and degassing in vacuum science?
- How does our DNA change in response to the environment?
- Why does a lighter weight feel so much lighter immediately after lifting a heavier weight?
- AstraZenica Effectiveness - how good is it?
- Has SARS-Cov-2 been found in Bats in Africa?
| How do we get Vitamin D from sunlight? Posted: 14 May 2021 09:17 AM PDT I never really understood why, like do we have some special organelle in our cells that convert sunlight to vitamin D or is it something entirely different? [link] [comments]  |
| How do scientists know an animal can see colors we humans can't? (And vice versa) Posted: 14 May 2021 08:20 PM PDT Yesterday I read a comment that said that shrimps can see colors humans can't see, don't know if it's true, but I wondered how they can know that, I mean, they can't see the color. And also there's the belief that dogs see in black and white. Sorry if I'm saying bull crap :) [link] [comments]  |
| Posted: 14 May 2021 11:57 AM PDT That's about it really. I'm asking if the evolutionary trend towards either predator or prey is set in stone. [link] [comments]  |
| Posted: 14 May 2021 09:16 AM PDT I get why the inner planets are rocky and the outer ones gas, but why do we "go back to rocky" when you go even further out from the outer planets? [link] [comments]  |
| Posted: 14 May 2021 12:38 PM PDT |
| Does the terminal velocity of a rising bubble in water change if the bubble gets bigger? Posted: 14 May 2021 11:20 AM PDT |
| Does iron stop being attracted by magnets when it gets hot enough? Posted: 14 May 2021 09:29 PM PDT I know that magnets have a certain temperature range at which they are magnetic. However if you were to wave a cold magnet over hot iron, assuming not significant heat transfer, would the iron still be attracted to the magnet? [link] [comments]  |
| What does this frequent tremors of earthquake mean ? Posted: 14 May 2021 11:50 PM PDT Sorry about the bad English . So the place where I live has been experiencing frequent small tremors of earthquakes . They aren't much in magnitude , would be around 2.0 in the Richter scale. There was one that was about 6.2 magnitude though. I'm getting an ominous feeling that something big is going to happen . Does anybody know something about this phenomenon ? Note: I live in an earthquake prone zone . A state called Arunachal Pranesh in India. We have little quakes from time to time but never this frequent . [link] [comments]  |
| How is the last set of numbers in Coronavirus nomenclature decided on? Posted: 14 May 2021 05:48 PM PDT I understand that the naming system of variants is based on lineages, with "B1." Indicating the lineage of the variant can be traced back to the outbreak in Italy. How is the set of the next 3 numbers decided? [link] [comments]  |
| What sort of geothermal power potential is there on Mars? Posted: 14 May 2021 03:49 PM PDT It seems that Mars might be active geologically speaking. So I'm wondering if future missions might take advantage of something like enhanced geothermal. It seems like that could really compliment more traditional solar/wind power with energy storage in the system. [link] [comments]  |
| How do meteorologist forecast the path of a cyclone so accurately? Posted: 14 May 2021 07:20 AM PDT |
| What causes new moles to form? Posted: 14 May 2021 06:46 AM PDT |
| What is the difference between desorption and degassing in vacuum science? Posted: 14 May 2021 05:08 PM PDT I am confused. Can someone simplify the concepts for me? [link] [comments]  |
| How does our DNA change in response to the environment? Posted: 14 May 2021 12:29 PM PDT Like how Sherpas got bigger lungs, how DNA knows which organ is vestigial, etc. [link] [comments]  |
| Why does a lighter weight feel so much lighter immediately after lifting a heavier weight? Posted: 14 May 2021 05:57 PM PDT |
| AstraZenica Effectiveness - how good is it? Posted: 14 May 2021 01:35 PM PDT Hi all. I've been seeing lots of material online about AZ vaccine having 90-95% efficacy, but in Canada our own government has published the following information claiming it is only 62% effective. Is this true? How it's givenThe vaccine is given by 2 separate injections of 0.5 mL each into the muscle of the arm. For the vaccine to work best, you need to get 2 doses: a first dose and then a second dose 4 to 12 weeks later. Immunity develops over time. It takes about 2 weeks to develop significant protection against COVID-19. For the greatest protection, you will need the second dose. The AstraZeneca COVID-19 vaccine showed an effectiveness of about 62% in preventing symptomatic COVID-19 disease beginning 2 weeks after the second dose. This effectiveness rate is based on an analysis of results from participants who had received the 2 dose regimen that will be used in Canada. [link] [comments]  |
| Has SARS-Cov-2 been found in Bats in Africa? Posted: 14 May 2021 09:21 AM PDT I have recently read the following articles and it made me wonder: April 14, 2021 This Angola variant tho: talk about 'MUBAR' 'The variant, named A.VOI.V2, carries 34 mutations, including 14 in the spike protein, which the virus uses to infect cells.' https://www.medrxiv.org/content/10.1101/2021.03.30.21254323v1 13 May2021 B.1.620 Central Africa ---> Europe https://www.nature.com/articles/d41586-021-01285-4#correction-0 8May2021 B.1.620 'including E484K, S477N and deletions HV69Δ, Y144Δ, and LLA241/243Δ.' https://www.medrxiv.org/content/10.1101/2021.05.04.21256637v1 Other human coronaviruses found in bats in Africa https://jvi.asm.org/content/91/5/e01953-16 [link] [comments]  |
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