# Did you know? **URL:** \ **Category:** Miscellaneous and Personal Stuff I Must Share\ **Created:** [May 12, 2013, 1:25am UTC](https://boards.straightdope.com/t/did-you-know/658117 "2013-05-12T01:25:45Z")\ **Posts on this page:** 20\ **Page:** 5
**Author:** ![AaronX](https://avatars.discourse-cdn.com/v4/letter/a/7bcc69/32.png) [@AaronX](https://boards.straightdope.com/u/AaronX)\ **Post date:** [May 26, 2013, 10:48am UTC](https://boards.straightdope.com/t/did-you-know/658117/81 "2013-05-26T10:48:34Z")
There are 10 times as many bacterial than human cells in the human body. What are we, then? ---
**Author:** ![terentii](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/terentii/32/212_2.png) [@terentii](https://boards.straightdope.com/u/terentii)\ **Post date:** [May 26, 2013, 3:21pm UTC](https://boards.straightdope.com/t/did-you-know/658117/82 "2013-05-26T15:21:56Z")
> [@leahcim](#): > > It actually can be multiple real numbers depending on how you branch your ln. > > Note that by definition, _i[sup]i[/sup]_ = exp(i\*ln(i)). > > Writing in polar coordinates, i = exp(pi/2 \* i), so picking that branch of the ln function gives ln(i) = pi/2 \* i -\> i\*ln(i) = -pi/2. > > So _i[sup]i[/sup]_ = exp(i\*ln(i)) = exp(-pi/2) > > (but if you pick another branch of ln, the result differs by a factor of exp(2k\*pi) for some integer k). That’s intuitively obvious. :dubious: ---
**Author:** ![terentii](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/terentii/32/212_2.png) [@terentii](https://boards.straightdope.com/u/terentii)\ **Post date:** [May 26, 2013, 3:29pm UTC](https://boards.straightdope.com/t/did-you-know/658117/83 "2013-05-26T15:29:36Z")
> [@Jerry\_in\_Canada](#): > > For some unknown reason Americans believe that that war started Dec. 7, 1941; they also seem to believe WWI started in 1916 when America finally showed up. 1. Congress declared war on 6 April 1917. AEF troops started arriving in Europe about a year later. ---
**Author:** ![terentii](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/terentii/32/212_2.png) [@terentii](https://boards.straightdope.com/u/terentii)\ **Post date:** [May 26, 2013, 3:39pm UTC](https://boards.straightdope.com/t/did-you-know/658117/84 "2013-05-26T15:39:48Z")
Donald Duck’s middle name, as seen on his draft notice in 1942, is “Fauntleroy.” [http://www.datosfreak.org/site\_media/upload/Donald\_Fauntleroy\_Duck.jpg](http://www.datosfreak.org/site_media/upload/Donald_Fauntleroy_Duck.jpg) ---
**Author:** ![Malacandra](https://avatars.discourse-cdn.com/v4/letter/m/45deac/32.png) [@Malacandra](https://boards.straightdope.com/u/Malacandra)\ **Post date:** [May 26, 2013, 4:03pm UTC](https://boards.straightdope.com/t/did-you-know/658117/85 "2013-05-26T16:03:15Z")
> [@terentii](#): > > That’s intuitively obvious. :dubious: And there goes the perfect opportunity to say “At last! Someone who speaks English!”. 😃 ---
**Author:** ![panache45](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/panache45/32/64_2.png) [@panache45](https://boards.straightdope.com/u/panache45)\ **Post date:** [May 26, 2013, 5:05pm UTC](https://boards.straightdope.com/t/did-you-know/658117/86 "2013-05-26T17:05:32Z")
> [@jtur88](#): > > Ducks don’t quack. Then what the hell is causing that echo? > [@Skald\_the\_Rhymer](#): > > Nobody thinks that a dog’s bark sounds like the word _bark_ either. One of my cats actually says “Meow.” ---
**Author:** ![Gary\_Robson](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/gary_robson/32/3448_2.png) [@Gary\_Robson](https://boards.straightdope.com/u/Gary_Robson)\ **Post date:** [May 29, 2013, 5:45am UTC](https://boards.straightdope.com/t/did-you-know/658117/87 "2013-05-29T05:45:35Z")
> [@Crafter\_Man](#): > > Did you know… half the working population makes less than the median wage? _ **Half** _!! :eek: Did you know… FORTY PERCENT of sick days taken by American workers are on Monday or Friday? ---
**Author:** ![hogarth](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/hogarth/32/1773_2.png) [@hogarth](https://boards.straightdope.com/u/hogarth)\ **Post date:** [May 29, 2013, 12:49pm UTC](https://boards.straightdope.com/t/did-you-know/658117/88 "2013-05-29T12:49:55Z")
The Queen of England doesn’t know her ABCs any more. ---
**Author:** ![Lurking\_Quahog](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/lurking_quahog/32/21274_2.png) [@Lurking\_Quahog](https://boards.straightdope.com/u/Lurking_Quahog)\ **Post date:** [May 29, 2013, 7:02pm UTC](https://boards.straightdope.com/t/did-you-know/658117/89 "2013-05-29T19:02:30Z")
Did you know? Six out of seven dwarves are not Happy? ---
**Author:** ![Dragwyr](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/dragwyr/32/2855_2.png) [@Dragwyr](https://boards.straightdope.com/u/Dragwyr)\ **Post date:** [May 29, 2013, 7:24pm UTC](https://boards.straightdope.com/t/did-you-know/658117/90 "2013-05-29T19:24:27Z")
> [@Snap E. Tom](#): > > Did you know? > > Six out of seven dwarves are not Happy? Speaking of Snow White and the Seven Dwarves… Disney could not find a voice for Snow White. Around 150 girls auditioned for the role of Snow White, including well-known actresses such as Deanna Durbin, whose voice seemed too old to Disney. One assistant to Disney called his friend and teacher vocal music Guido Cazelotti, complaining that Hollywood had no singing girls. Cazelotti wanted to offer to send their best to listen to the students, but it turned out that his 20-year old daughter Adriana overheard a conversation on another phone in the house, and she sang in a tube and has demonstrated her shrill girlish voice. Her father was confused and told his daughter to get away from the phone, but the casting director liked her voice and invited her to audition. After Walt Disney heard her, he immediately gave her a role. Cite: [Snow White (franchise) - Wikipedia](http://en.wikipedia.org/wiki/Snow_White_(Disney)#Voice) ---
**Author:** ![Flywheel](https://avatars.discourse-cdn.com/v4/letter/f/eb8c5e/32.png) [@Flywheel](https://boards.straightdope.com/u/Flywheel)\ **Post date:** [May 29, 2013, 8:16pm UTC](https://boards.straightdope.com/t/did-you-know/658117/91 "2013-05-29T20:16:37Z")
> [@Barking\_Dog](#): > > Did you know ducks enjoy homosexual necrophilia? Only because a duck told me so in dead earnest. ---
**Author:** ![SpyOne](https://avatars.discourse-cdn.com/v4/letter/s/82dd89/32.png) [@SpyOne](https://boards.straightdope.com/u/SpyOne)\ **Post date:** [May 31, 2013, 12:05pm UTC](https://boards.straightdope.com/t/did-you-know/658117/92 "2013-05-31T12:05:07Z")
> [@Jerry\_in\_Canada](#): > > You have to be an American. Poland and China were both invaded before that. > For some unknown reason Americans believe that that war started Dec. 7, 1941; they also seem to believe WWI started in 1916 when America finally showed up. There is a certain room for argument that any war that omits an entire hemisphere has not yet risen to the level of a _world_ war. But I generally agree with you: WWII started in 1937, and WWI started in 1337. ---
**Author:** ![kayaker](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/kayaker/32/441_2.png) [@kayaker](https://boards.straightdope.com/u/kayaker)\ **Post date:** [May 31, 2013, 12:25pm UTC](https://boards.straightdope.com/t/did-you-know/658117/93 "2013-05-31T12:25:02Z")
> [@Duckster](#): > > Ducks lack the ability to whistle, especially so after eating saltine crackers. [Whistling duck taxonomy.](http://en.wikipedia.org/wiki/Whistling_duck) ---
**Author:** ![Clothahump](https://avatars.discourse-cdn.com/v4/letter/c/51bf81/32.png) [@Clothahump](https://boards.straightdope.com/u/Clothahump)\ **Post date:** [May 31, 2013, 3:45pm UTC](https://boards.straightdope.com/t/did-you-know/658117/94 "2013-05-31T15:45:12Z")
> [@j\_sum1](#): > > cite > [http://www.ted.com/talks/kees\_moeliker\_how\_a\_dead\_duck\_changed\_my\_life.html](http://www.ted.com/talks/kees_moeliker_how_a_dead_duck_changed_my_life.html) ROTFLMAO!! That was hilarious! ---
**Author:** ![Gary\_Robson](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/gary_robson/32/3448_2.png) [@Gary\_Robson](https://boards.straightdope.com/u/Gary_Robson)\ **Post date:** [June 1, 2013, 6:54pm UTC](https://boards.straightdope.com/t/did-you-know/658117/95 "2013-06-01T18:54:20Z")
> [@SpyOne](#): > > WWI started in 1337. It did? :dubious: ---
**Author:** ![Lumpy](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/lumpy/32/446_2.png) [@Lumpy](https://boards.straightdope.com/u/Lumpy)\ **Post date:** [June 1, 2013, 11:52pm UTC](https://boards.straightdope.com/t/did-you-know/658117/96 "2013-06-01T23:52:26Z")
> [@echo7tango](#): > > If a man is all alone in a forest, and he thinks, is he still wrong? Only if he remembers the white elephant, in which case he will cease to exist. ---
**Author:** ![deltasigma](https://avatars.discourse-cdn.com/v4/letter/d/e5b9ba/32.png) [@deltasigma](https://boards.straightdope.com/u/deltasigma)\ **Post date:** [June 21, 2013, 8:52pm UTC](https://boards.straightdope.com/t/did-you-know/658117/97 "2013-06-21T20:52:38Z")
Cells harvested from urine can be [transformed into neurons](http://www.wired.co.uk/news/archive/2012-12/11/urine-brain-cells), possibly as a treatment for neurodegenerative diseases ([original article in Nature](http://www.nature.com/nmeth/journal/vaop/ncurrent/abs/nmeth.2283.html)) Bees use a [plant’s electric field](http://www.wired.com/wiredscience/2013/03/bee-electric-communication/) to determine if it should land there. Since the bee and plant have opposite charges, after it leaves, the field is depleted possibly indicating it has already been tapped. ([very short blurb in Science](http://news.sciencemag.org/sciencenow/2013/02/scienceshot-when-sparks-fly.html?ref=hp)) ---
**Author:** ![Nava](https://avatars.discourse-cdn.com/v4/letter/n/da6949/32.png) [@Nava](https://boards.straightdope.com/u/Nava)\ **Post date:** [June 22, 2013, 4:18am UTC](https://boards.straightdope.com/t/did-you-know/658117/98 "2013-06-22T04:18:31Z")
> [@Llama\_Llogophile](#): > > Did you know you have four miles of tubing in your stomach? What are you counting, every capillary? ---
**Author:** ![deltasigma](https://avatars.discourse-cdn.com/v4/letter/d/e5b9ba/32.png) [@deltasigma](https://boards.straightdope.com/u/deltasigma)\ **Post date:** [June 26, 2013, 5:06pm UTC](https://boards.straightdope.com/t/did-you-know/658117/99 "2013-06-26T17:06:33Z")
See an [interactive map](http://www.symmetrymagazine.org/labsmap/) showing every national laboratory from Brookhaven National Labs on Long Island to SLAC in California with short descriptions of what they do. ---
**Author:** ![Moonlitherial](https://avatars.discourse-cdn.com/v4/letter/m/4bbf92/32.png) [@Moonlitherial](https://boards.straightdope.com/u/Moonlitherial)\ **Post date:** [June 26, 2013, 6:04pm UTC](https://boards.straightdope.com/t/did-you-know/658117/100 "2013-06-26T18:04:16Z")
> [@Der\_Trihs](#): > > [ul] > [li]“Happy Birthday to You” is copyrighted.[/li][/ul] Maybe. That’s being [challenged](http://www.ibtimes.co.uk/articles/479264/20130616/happy-birthday-warner-copyright-lawsuit-jenifer-nelson.htm). [Previous page](https://boards.straightdope.com/t/did-you-know/658117.md?page=4) [Next page](https://boards.straightdope.com/t/did-you-know/658117.md?page=6)