# Factual Questions **URL:** https://boards.straightdope.com/c/factual-questions/9.md?page=285 [Latest](https://boards.straightdope.com/latest.md) · [Categories](https://boards.straightdope.com/categories.md) · [Tags](https://boards.straightdope.com/tags.md) **Page:** 286 --- ## [Calendula Cream: Homeopathic or not?](https://boards.straightdope.com/t/calendula-cream-homeopathic-or-not/940814)
**Author:** [@Musicat](https://boards.straightdope.com/u/Musicat)\ **Replies:** 26\ **Last updated:** [April 29, 2021, 5:24pm UTC](https://boards.straightdope.com/t/calendula-cream-homeopathic-or-not/940814 "2021-04-29T17:24:52Z")
I was recently prescribed a Boiron topical cream to alleviate a skin rash condition caused by radiation therapy. The box says, “Calendula Cream…Homeopathic Medicine.” Since this was prescribed by what I would call a re… --- ## [Thought experiment involving speed of light and a very long rigid body](https://boards.straightdope.com/t/thought-experiment-involving-speed-of-light-and-a-very-long-rigid-body/940880)
**Author:** [@Stego](https://boards.straightdope.com/u/Stego)\ **Replies:** 51\ **Last updated:** [April 29, 2021, 3:40pm UTC](https://boards.straightdope.com/t/thought-experiment-involving-speed-of-light-and-a-very-long-rigid-body/940880 "2021-04-29T15:40:09Z")
Imagine that you have a straight, rigid body, with virtually no internal elasticity, connecting two points A and B. Imagine that it is very long, like 300,000 km long, just to make the math easier. At time t, you shine a… --- ## [Do under sink water filters leave flouride intact](https://boards.straightdope.com/t/do-under-sink-water-filters-leave-flouride-intact/678173)
**Author:** [@Mdcastle](https://boards.straightdope.com/u/Mdcastle)\ **Replies:** 19\ **Last updated:** [January 10, 2014, 7:03pm UTC](https://boards.straightdope.com/t/do-under-sink-water-filters-leave-flouride-intact/678173 "2014-01-10T19:03:42Z")
I’m planning on getting a plumbed-in coffeemaker that requires a water filter. Do basic under sink models (the ones where you twist a cartridge on a mount rather than connect both ends to the water line) strip out the fl… --- ## [Saying 'Please, Please, Please!' In French?](https://boards.straightdope.com/t/saying-please-please-please-in-french/940734)
**Author:** [@Jim\_B](https://boards.straightdope.com/u/Jim_B)\ **Replies:** 35\ **Last updated:** [April 29, 2021, 1:41pm UTC](https://boards.straightdope.com/t/saying-please-please-please-in-french/940734 "2021-04-29T13:41:20Z")
I took French in high school. And my father was three-quarters French. So it is a language that has always been near and dear to my heart. But one thing that they didn’t cover in French class. How do you say ‘please, pl… --- ## [Looking for studies: has the rise of "fake news" affected media literacy in education?](https://boards.straightdope.com/t/looking-for-studies-has-the-rise-of-fake-news-affected-media-literacy-in-education/842794)
**Author:** [@Max\_S](https://boards.straightdope.com/u/Max_S)\ **Replies:** 3\ **Last updated:** [April 29, 2021, 6:02am UTC](https://boards.straightdope.com/t/looking-for-studies-has-the-rise-of-fake-news-affected-media-literacy-in-education/842794 "2021-04-29T06:02:44Z")
“Fake news” made the news in 2016 and 2017, and I remember Stanford’s 2016 study of middle school students was often cited in the aftermath of “Pizzagate”. There were calls for media literacy in secondary education, whic… --- ## [Prozac And Anorgasmia In Women?](https://boards.straightdope.com/t/prozac-and-anorgasmia-in-women/941002)
**Author:** [@Jim\_B](https://boards.straightdope.com/u/Jim_B)\ **Replies:** 1\ **Last updated:** [April 29, 2021, 3:32am UTC](https://boards.straightdope.com/t/prozac-and-anorgasmia-in-women/941002 "2021-04-29T03:32:24Z")
Does Prozac and Prozac-like drugs cause lack of orgasm in women? I know it definitely does in men. But I’ve honestly never heard anything about it in women. Do women’s orgasms work on a different principle? You will note… --- ## [How big of electrolysis setup would be needed to provide improvised supplemental breathing oxygen from water?](https://boards.straightdope.com/t/how-big-of-electrolysis-setup-would-be-needed-to-provide-improvised-supplemental-breathing-oxygen-from-water/940934)
**Author:** [@filmore](https://boards.straightdope.com/u/filmore)\ **Replies:** 28\ **Last updated:** [April 29, 2021, 3:23am UTC](https://boards.straightdope.com/t/how-big-of-electrolysis-setup-would-be-needed-to-provide-improvised-supplemental-breathing-oxygen-from-water/940934 "2021-04-29T03:23:08Z")
There are simple experiments that anyone can do to to split water into hydrogen and oxygen. All that’s needed is a couple of simple electrodes and a power source. The electricity will split apart the water molecules an… --- ## [How can Wikipedia save all that data?](https://boards.straightdope.com/t/how-can-wikipedia-save-all-that-data/940899)
**Author:** [@Northern\_Piper](https://boards.straightdope.com/u/Northern_Piper)\ **Replies:** 27\ **Last updated:** [April 29, 2021, 3:21am UTC](https://boards.straightdope.com/t/how-can-wikipedia-save-all-that-data/940899 "2021-04-29T03:21:40Z")
Do they have server farms all over the world? How do they do it? --- ## [Size weirdness in furnace filters, need help (relatively fast)](https://boards.straightdope.com/t/size-weirdness-in-furnace-filters-need-help-relatively-fast/701044)
**Author:** [@KlondikeGeoff](https://boards.straightdope.com/u/KlondikeGeoff)\ **Replies:** 6\ **Last updated:** [April 28, 2021, 9:44pm UTC](https://boards.straightdope.com/t/size-weirdness-in-furnace-filters-need-help-relatively-fast/701044 "2021-04-28T21:44:29Z")
Has anybody run across this? I have two heat pumps. One takes a 20 x 20 x 1 size filter and the other a 20 x 25 x 1 size. Actually, the size of the slots are 19.5 x 19.5 and 19.5 x 24.5. I have had to use the cheap blue… --- ## [Common cold, Covid and R0, what am I missing?](https://boards.straightdope.com/t/common-cold-covid-and-r0-what-am-i-missing/940883)
**Author:** [@Stego](https://boards.straightdope.com/u/Stego)\ **Replies:** 8\ **Last updated:** [April 28, 2021, 9:13pm UTC](https://boards.straightdope.com/t/common-cold-covid-and-r0-what-am-i-missing/940883 "2021-04-28T21:13:03Z")
(mods, posting here as I am looking for a factual answer. Please move to QZ if you deem it more appropriate.) Since the.beginning of the pandemic, my family and I have been pretty much in isolation. The only social extr… --- ## [Do stray animals show/help each other find food spots?](https://boards.straightdope.com/t/do-stray-animals-show-help-each-other-find-food-spots/940906)
**Author:** [@nightshadea](https://boards.straightdope.com/u/nightshadea)\ **Replies:** 4\ **Last updated:** [April 28, 2021, 2:48pm UTC](https://boards.straightdope.com/t/do-stray-animals-show-help-each-other-find-food-spots/940906 "2021-04-28T14:48:20Z")
an aside in this thread got me thinking https://boards.straightdope.com/t/meat-bars When someone mentions he feeds the stray cats the hot dogs mentioned in the thread he later posts "why do all the stray cats show up he… --- ## [Doolittle Raiders: Why didn't they all head for Soviet territory to begin with?](https://boards.straightdope.com/t/doolittle-raiders-why-didnt-they-all-head-for-soviet-territory-to-begin-with/940285)
**Author:** [@Velocity](https://boards.straightdope.com/u/Velocity)\ **Replies:** 37\ **Last updated:** [April 28, 2021, 10:15am UTC](https://boards.straightdope.com/t/doolittle-raiders-why-didnt-they-all-head-for-soviet-territory-to-begin-with/940285 "2021-04-28T10:15:24Z")
The Doolittle Raiders that bombed Japan were meant to land in China - and they all did, except for one that diverted to the Soviet city of Vladivostok, due to consuming fuel at a higher rate than expected. I’m wondering… --- ## [Street car wires](https://boards.straightdope.com/t/street-car-wires/940730)
**Author:** [@Son\_of\_a\_Rich](https://boards.straightdope.com/u/Son_of_a_Rich)\ **Replies:** 16\ **Last updated:** [April 28, 2021, 8:48am UTC](https://boards.straightdope.com/t/street-car-wires/940730 "2021-04-28T08:48:50Z")
I’m trying to figure out what the strips that look like tape on these trolley wires are. Any guesses? --- ## [Converting from CNG to gasoline?](https://boards.straightdope.com/t/converting-from-cng-to-gasoline/563699)
**Author:** [@raindog](https://boards.straightdope.com/u/raindog)\ **Replies:** 11\ **Last updated:** [April 28, 2021, 7:27am UTC](https://boards.straightdope.com/t/converting-from-cng-to-gasoline/563699 "2021-04-28T07:27:43Z")
Pretty straight forward. Can I convert a vehicle that is CNG (and has probably always been CNG) to run on gasoline? (fwiw odometer is around 25K) Is it expensive? If so, who does that kind of work? Is this a bad idea… --- ## [Looking for a debt collection law](https://boards.straightdope.com/t/looking-for-a-debt-collection-law/940891)
**Author:** [@Saint\_Cad](https://boards.straightdope.com/u/Saint_Cad)\ **Replies:** 1\ **Last updated:** [April 28, 2021, 12:10am UTC](https://boards.straightdope.com/t/looking-for-a-debt-collection-law/940891 "2021-04-28T00:10:30Z")
I have been looking at both the FCRA and FDCA and I cannot find what I need. Where is the law that a debt collector must report accurate information to the Credit Reporting Agencies. Like if you make online payments it… --- ## [Time Dilation and Neutron Stars](https://boards.straightdope.com/t/time-dilation-and-neutron-stars/940748)
**Author:** [@FelixF](https://boards.straightdope.com/u/FelixF)\ **Replies:** 30\ **Last updated:** [April 27, 2021, 9:00pm UTC](https://boards.straightdope.com/t/time-dilation-and-neutron-stars/940748 "2021-04-27T21:00:46Z")
I recently read on recommendation a SciFi novel about life evolving on a neutron star or its crust. One thing that puzzled me was the assertion the neutron star life was living roughly a million times faster than some hu… --- ## [Computer SW Question: transferring Parallels license to new host box](https://boards.straightdope.com/t/computer-sw-question-transferring-parallels-license-to-new-host-box/940876)
**Author:** [@AHunter3](https://boards.straightdope.com/u/AHunter3)\ **Replies:** 0\ **Last updated:** [April 27, 2021, 7:44pm UTC](https://boards.straightdope.com/t/computer-sw-question-transferring-parallels-license-to-new-host-box/940876 "2021-04-27T19:44:10Z")
I had Parallels Desktop 13 installed on a Mac that died. Bought duplicate model box on eBay, transferred hard drive and RAM and hit the start button and it’s like nothing happened, except for Parallels. Which is one of… --- ## [Genes and heritability](https://boards.straightdope.com/t/genes-and-heritability/940862)
**Author:** [@Machine\_Elf](https://boards.straightdope.com/u/Machine_Elf)\ **Replies:** 7\ **Last updated:** [April 27, 2021, 5:31pm UTC](https://boards.straightdope.com/t/genes-and-heritability/940862 "2021-04-27T17:31:48Z")
In this video, the narrator talks about the palmaris longus, a forearm muscle that some people have and some people don’t. Fair warning, he points this muscle out on the arm of a cadaver. The whole video … --- ## [Question regarding the 3rd mission to save Jamestown in 1609](https://boards.straightdope.com/t/question-regarding-the-3rd-mission-to-save-jamestown-in-1609/940860)
**Author:** [@Octagon](https://boards.straightdope.com/u/Octagon)\ **Replies:** 1\ **Last updated:** [April 27, 2021, 1:32pm UTC](https://boards.straightdope.com/t/question-regarding-the-3rd-mission-to-save-jamestown-in-1609/940860 "2021-04-27T13:32:50Z")
My question (regarding the 3rd mission save Jamestown, Virginia) is whether all remaining ships survived after the Bermuda layover (9 or 10 months) left for Jamestown or was it just the ‘Deliverance’ and ‘Patience’ and a… --- ## [Serious question about my relationship with a non-binary relative](https://boards.straightdope.com/t/serious-question-about-my-relationship-with-a-non-binary-relative/940514)
**Author:** [@kaylasdad99](https://boards.straightdope.com/u/kaylasdad99)\ **Replies:** 22\ **Last updated:** [April 27, 2021, 1:27pm UTC](https://boards.straightdope.com/t/serious-question-about-my-relationship-with-a-non-binary-relative/940514 "2021-04-27T13:27:50Z")
Some twenty-one years ago, my sister gave birth to fraternal twins, Ian and Megan. In last year’s Christmas newsletter, the family announced that Megan had come out as non-binary, and had adopted the name Min. Min’s pron… --- ## [Does car insurance exist for people who only rent cars? (not the stuff rental agencies provide)](https://boards.straightdope.com/t/does-car-insurance-exist-for-people-who-only-rent-cars-not-the-stuff-rental-agencies-provide/940771)
**Author:** [@Whack-a-Mole](https://boards.straightdope.com/u/Whack-a-Mole)\ **Replies:** 14\ **Last updated:** [April 27, 2021, 8:08am UTC](https://boards.straightdope.com/t/does-car-insurance-exist-for-people-who-only-rent-cars-not-the-stuff-rental-agencies-provide/940771 "2021-04-27T08:08:56Z")
I do not own a car and I want to keep it that way. It costs far less to rent a car on occasion for this or that than owning was does (in my case). I was mystified to find the credit card I used which promised rental ins… --- ## [Which Article of the US Constitution does Amendment XV actually revise? Article I?](https://boards.straightdope.com/t/which-article-of-the-us-constitution-does-amendment-xv-actually-revise-article-i/940650)
**Author:** [@Octagon](https://boards.straightdope.com/u/Octagon)\ **Replies:** 16\ **Last updated:** [April 27, 2021, 2:42am UTC](https://boards.straightdope.com/t/which-article-of-the-us-constitution-does-amendment-xv-actually-revise-article-i/940650 "2021-04-27T02:42:33Z")
Which Article of the US Constitution did Amendment XV actually revise? Article I? I haven’t been able to find an article to which it refers. --- ## [What causes the flowers to come back every spring?](https://boards.straightdope.com/t/what-causes-the-flowers-to-come-back-every-spring/940764)
**Author:** [@ekedolphin](https://boards.straightdope.com/u/ekedolphin)\ **Replies:** 23\ **Last updated:** [April 26, 2021, 11:45pm UTC](https://boards.straightdope.com/t/what-causes-the-flowers-to-come-back-every-spring/940764 "2021-04-26T23:45:17Z")
It’s been a long time since school for me, and I was never good in science, so forgive me if I’m asking a fifth-grade question. When grass and flowers die at the start of winter, they’re dead, right? So how do flowers … --- ## [Why aren't rulers a foot long?](https://boards.straightdope.com/t/why-arent-rulers-a-foot-long/932083)
**Author:** [@Fotheringay-Phipps](https://boards.straightdope.com/u/Fotheringay-Phipps)\ **Replies:** 45\ **Last updated:** [April 26, 2021, 9:26pm UTC](https://boards.straightdope.com/t/why-arent-rulers-a-foot-long/932083 "2021-04-26T21:26:39Z")
Most rulers are approximately one foot long. But not exactly. I’m wondering why not. Usually there’s a bit extra at each end, such that you can’t just look at the 5 inch point (for example) and that will be five inches f… --- ## [chaise lounge for sleeping?](https://boards.straightdope.com/t/chaise-lounge-for-sleeping/674236)
**Author:** [@Mr\_Downtown](https://boards.straightdope.com/u/Mr_Downtown)\ **Replies:** 18\ **Last updated:** [November 20, 2013, 5:00am UTC](https://boards.straightdope.com/t/chaise-lounge-for-sleeping/674236 "2013-11-20T05:00:59Z")
Afflicted with both snoring and lower back pain, I’m interested in exploring the idea of sleeping on something like a chaise lounge, or an astronaut couch, or a modern dentist’s chair, instead of a traditional flat mattr… --- ## [Message board formatting question](https://boards.straightdope.com/t/message-board-formatting-question/940105)
**Author:** [@Lucas\_Jackson](https://boards.straightdope.com/u/Lucas_Jackson)\ **Replies:** 18\ **Last updated:** [April 25, 2021, 9:58pm UTC](https://boards.straightdope.com/t/message-board-formatting-question/940105 "2021-04-25T21:58:03Z")
On this site (and many other message boards I visit) if I want to make a word italicized I code \< i \>, Or bold \< b \>, or underlined \< u \>. But if I want to quote rather than \< q \> I have to write out the whole word. Why? … --- ## [Bluetooth device battery question](https://boards.straightdope.com/t/bluetooth-device-battery-question/940753)
**Author:** [@Mike\_Mabes](https://boards.straightdope.com/u/Mike_Mabes)\ **Replies:** 3\ **Last updated:** [April 25, 2021, 9:51pm UTC](https://boards.straightdope.com/t/bluetooth-device-battery-question/940753 "2021-04-25T21:51:42Z")
I am thinking of getting this retro phone handset which will connect to my my cellphone with Bluetooth. They have other ones that will connect directly to your phone with standard 3.5mm plug but I don’t want that, this … --- ## [What Professional Do I Need To See For Financial Advice Not Related To Investments?](https://boards.straightdope.com/t/what-professional-do-i-need-to-see-for-financial-advice-not-related-to-investments/940723)
**Author:** [@HeyHomie](https://boards.straightdope.com/u/HeyHomie)\ **Replies:** 5\ **Last updated:** [April 25, 2021, 5:36pm UTC](https://boards.straightdope.com/t/what-professional-do-i-need-to-see-for-financial-advice-not-related-to-investments/940723 "2021-04-25T17:36:08Z")
I need financial advice. So I need a financial advisor, right? Except don’t they deal almost exclusively with investments and charitable contributions and shit? I have a much more specific and immediate situation involvi… --- ## [Waking up and work](https://boards.straightdope.com/t/waking-up-and-work/940570)
**Author:** [@Banksiaman](https://boards.straightdope.com/u/Banksiaman)\ **Replies:** 32\ **Last updated:** [April 25, 2021, 5:25pm UTC](https://boards.straightdope.com/t/waking-up-and-work/940570 "2021-04-25T17:25:56Z")
From close experience the process of waking up can, for some people, be a slow and uncertain process and requires coffee, food and stimulus to get the brain into gear. I am wondering whether there are any professions \[I… --- ## [Are flamingos the only birds with knees that bend backwards?](https://boards.straightdope.com/t/are-flamingos-the-only-birds-with-knees-that-bend-backwards/940653)
**Author:** [@Northern\_Piper](https://boards.straightdope.com/u/Northern_Piper)\ **Replies:** 15\ **Last updated:** [April 25, 2021, 2:19pm UTC](https://boards.straightdope.com/t/are-flamingos-the-only-birds-with-knees-that-bend-backwards/940653 "2021-04-25T14:19:16Z")
As in the thread title: are there any other birds with backwards bending knees? [Previous page](https://boards.straightdope.com/c/factual-questions/9.md?page=284) [Next page](https://boards.straightdope.com/c/factual-questions/9.md?page=286)