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The microphyte/microalgae page had an illustration of Spirulina, a cynobacteria. Microalgae are algae, which are eukaryotic while cynobacteria are prokaryotic. The caption for spirulina also included dubious unsourced information about its health benefits. Aslo the algae page listed cynobacteria as both an "included group" and an "excluded group". These errors have all been corrected, but please let me know if I was mistaken. Greg Comlish ( talk) 04:32, 9 March 2014 (UTC)
Recently when I was having an eye test the optician said casually, 'Of course you have sinus problems.' As a result I now wonder whether problems with sinuses affect eyes and/or eyesight. If so, how please? And if not, how did she know? Thank you in advance. — Preceding unsigned comment added by 78.127.60.178 ( talk) 08:12, 9 March 2014 (UTC)
Thank you for your responses. They both adopt a commonsense approach but I must admit I was hoping for something more scientific. For instance, years ago, women taking the contraceptive pill experienced difficulties using contact lenses. It transpired that pregnant woman (which to their bodies, women taking the pill appear to be) produce a film over the eyes. This phenomenon was previously unknown. I wondered if there might be a more direct connection between the eyes and sinuses than normally supposed. — Preceding unsigned comment added by 78.127.60.178 ( talk) 10:12, 11 March 2014 (UTC)
Hey, I asked a question here on the reference-desk yesterday regarding metals and railways and I got such good response that I was thinking I should ask another question related to metal. Something I have been thinking about for a while.
If one is thinking about taking up Blacksmithing, Goldsmithing or even Gem-cutting as a profession, what education would be needed? Chemistry and metallurgy seem obvious, but what else, and where would be a natural place to start?
By the way, for any Wiki-modders out there who might read this, There doesn't seem to be an own reference page for questions related to 'Education'. If there is, then I must have missed it. Perhaps there should be? So science seemed the most natural place to ask this question.
Krikkert7 ( talk) 16:29, 9 March 2014 (UTC)
I know that these professions, at least blacksmithing, isn't the same as it used to be. In a way, I think it's a shame. But thanks for your answers. They were helpful. Krikkert7 ( talk) 22:31, 9 March 2014 (UTC)
See sources #26 and #27 in the MSG link in the title. One study showed it doesn't cause obesity in Chinese subjects, while another study shows that it does cause obesity in a similar group of Chinese subjects. So, if we assume both studies to be factually correct, does anybody know why there would be a difference in the conclusions ?
Also, has a study been done on the effect of MSG on Europeans or Americans ? My two thoughts are that they may react differently, due to genetic differences (with Orientals having been exposed to it longer and adapted better to it) or perhaps differences in diets. StuRat ( talk) 18:16, 9 March 2014 (UTC)
This paper claims that human evolution accelerated during the last 40,000 years. Unfortunately the paper is too technical for me. I was hoping someone could briefly summarize exactly how the researchers reach this conclusion ie how it is even possible to measure the rate of evolution. 65.92.5.74 ( talk) 21:07, 9 March 2014 (UTC)
Science desk | ||
---|---|---|
< March 8 | << Feb | March | Apr >> | March 10 > |
Welcome to the Wikipedia Science Reference Desk Archives |
---|
The page you are currently viewing is an archive page. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages. |
The microphyte/microalgae page had an illustration of Spirulina, a cynobacteria. Microalgae are algae, which are eukaryotic while cynobacteria are prokaryotic. The caption for spirulina also included dubious unsourced information about its health benefits. Aslo the algae page listed cynobacteria as both an "included group" and an "excluded group". These errors have all been corrected, but please let me know if I was mistaken. Greg Comlish ( talk) 04:32, 9 March 2014 (UTC)
Recently when I was having an eye test the optician said casually, 'Of course you have sinus problems.' As a result I now wonder whether problems with sinuses affect eyes and/or eyesight. If so, how please? And if not, how did she know? Thank you in advance. — Preceding unsigned comment added by 78.127.60.178 ( talk) 08:12, 9 March 2014 (UTC)
Thank you for your responses. They both adopt a commonsense approach but I must admit I was hoping for something more scientific. For instance, years ago, women taking the contraceptive pill experienced difficulties using contact lenses. It transpired that pregnant woman (which to their bodies, women taking the pill appear to be) produce a film over the eyes. This phenomenon was previously unknown. I wondered if there might be a more direct connection between the eyes and sinuses than normally supposed. — Preceding unsigned comment added by 78.127.60.178 ( talk) 10:12, 11 March 2014 (UTC)
Hey, I asked a question here on the reference-desk yesterday regarding metals and railways and I got such good response that I was thinking I should ask another question related to metal. Something I have been thinking about for a while.
If one is thinking about taking up Blacksmithing, Goldsmithing or even Gem-cutting as a profession, what education would be needed? Chemistry and metallurgy seem obvious, but what else, and where would be a natural place to start?
By the way, for any Wiki-modders out there who might read this, There doesn't seem to be an own reference page for questions related to 'Education'. If there is, then I must have missed it. Perhaps there should be? So science seemed the most natural place to ask this question.
Krikkert7 ( talk) 16:29, 9 March 2014 (UTC)
I know that these professions, at least blacksmithing, isn't the same as it used to be. In a way, I think it's a shame. But thanks for your answers. They were helpful. Krikkert7 ( talk) 22:31, 9 March 2014 (UTC)
See sources #26 and #27 in the MSG link in the title. One study showed it doesn't cause obesity in Chinese subjects, while another study shows that it does cause obesity in a similar group of Chinese subjects. So, if we assume both studies to be factually correct, does anybody know why there would be a difference in the conclusions ?
Also, has a study been done on the effect of MSG on Europeans or Americans ? My two thoughts are that they may react differently, due to genetic differences (with Orientals having been exposed to it longer and adapted better to it) or perhaps differences in diets. StuRat ( talk) 18:16, 9 March 2014 (UTC)
This paper claims that human evolution accelerated during the last 40,000 years. Unfortunately the paper is too technical for me. I was hoping someone could briefly summarize exactly how the researchers reach this conclusion ie how it is even possible to measure the rate of evolution. 65.92.5.74 ( talk) 21:07, 9 March 2014 (UTC)