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I have three cats. Every day, I keep for them two bowls of dry food. I noticed that the food level in the two bowls, during the day, is decreasing at a similar rate. When I spy on them, it seems that they are purposedly picking food from the one bowl which has more food at that time. Why could that be? Why not finishing one bowl then attacking the other?-- JLdesAlpins 00:39, 8 April 2007 (UTC)
Another less likely possibility is that they can't find the food in a bowl that's almost empty. I don't believe cats have color vision, which makes it hard for them to find certain items that are the same shade as the background. I've been amazed at my cat's inability to find certain foods on the floor. It sniffs around the area, but can't seem to locate food that I can see as plainly as daylight. StuRat 04:12, 8 April 2007 (UTC)
As I have read from a book of a Sahara explorer, some snail-eating foxes have the habit of picking only a few snails from a bush (so they can reproduce until the next meal) and traveling miles to visit other bushes. If they had eaten all the snails from a given bush, the snail population would have died out (and a little later, the foxes too because of starvation). Maybe there is some reason in the case of the cats too. In their natural habitat they eat live food, so they must spare some of it. -- V. Szabolcs 12:06, 8 April 2007 (UTC)
What is the total quantity of information entropy in the universe? Is it increasing or decreasing? Neon Merlin 02:05, 8 April 2007 (UTC)
why are eukaryote diseases more difficult to treat than prokaryote diseases? —The preceding unsigned comment was added by 4.152.24.220 ( talk) 03:05, 8 April 2007 (UTC).
I was just watching the movie Jesus Camp, and noticed something a bit strange. Many of the children (and some of the adults) have extremely dilated pupils, like they were on MDMA or something like that. One of my friends recently became a born again christian, and I noticed the same thing happening to him... huge dilated pupils. When people feel this way, I'm thinking it must be the body releasing endorphins that make them feel that way, which allows them to feel like jesus is inside of them, and that leads to the dilated pupils. Has anyone else noticed this, or have any thoughts on it? 67.142.130.20 03:12, 8 April 2007 (UTC) Anonymous
As I was walking back home last night/this morning (~6:30 UTC), I noticed that the moon was yellow-orange. The lunar eclipse happened weeks ago, so what else could account for this?
Thanks. 137.99.165.83 06:08, 8 April 2007 (UTC)
A man carry electric which could be felt when we touch him like we feel mild electric shock. What is cause ? —The preceding unsigned comment was added by 89.148.17.212 ( talk) 06:33, 8 April 2007 (UTC).
Does anyone know if magic mushrooms have a psychedelic effect on living creatures other than humans? On a more general note - do animals and birds ever actively seek out and consume naturally occurring psychedelic substances? -- Kurt Shaped Box 07:34, 8 April 2007 (UTC)
(following on from the question above) This may just be a TV/movie/cartoon stereotype but generally, whenever I see guys playing the tuba on TV, more often than not, they are the fattest guys in the orchestra. So, is there any real advantage to being fat when playing this instrument? -- Kurt Shaped Box 07:44, 8 April 2007 (UTC)
You can lay it on your stomach? PitchBlack 07:58, 8 April 2007 (UTC)
The first page of a Google Image Search for "tuba player" does not support a hypothesis that they are fatter than average. -- TotoBaggins 17:34, 8 April 2007 (UTC)
@ 2007-04-08T22:50Z
I saw the original 60's film "Planet of the Apes" tonight on TV, and got me thinking about extinction. And I thought:
1) Is there a reason why we should preserve species and not just let them die out?
2) Would it be possible to get DNA from living species now, and be able to create living copies of it in the future, incase they ever became extinct? (WHEN they become extinct)
If number 2 is possible, there should be a place/laboratory/museum where they have multiple DNA's from each species they were ever able to get DNA from (that is, if they haven't already). Any views for or against this idea? PitchBlack 07:57, 8 April 2007 (UTC)
Why do we produce tears when we're in a strong state of emotion? (sadness, happiness, anger) I looked at the article on "tears" but all I see is that it's because of a "different chemical makeup" but it doesn't actually explain how or why it happens.
Like when our eyes get too dry, our brain notices and does doody-dah-bahbooloo and releases tears to lubricate them. So, when we're emotional, how is our brain reacting, and why does it ultimately react by making us tear?
Another question I think of when thinking of this is how can people focus and force themselves to cry? I'm occasionally able to do it, but me knowing that I, or others are capable of doing it does not let me know why it's possible, or why it's allowed to be done. PitchBlack 08:24, 8 April 2007 (UTC)
Weird cause I just read an article that mentioned something related today. The relevant part is: "Crying is difficult to fake. Even actors have to generate some feeling before they cry. The Israeli evolutionary biologist Amotz Zahavi proposed that you can infer the honesty of a social signal by measuring the cost of the expression. Harvard's Marc Hauser, applying this principle to the eye, regards tears as the human equivalent of a dog rolling belly-up to show submission. "Unlike all of the other emotional expressions, tearing is the only one that leaves a physical trace," he says. "It blurs one's vision, therefore it's costly." Here. Recury 20:19, 10 April 2007 (UTC)
is it possible to split an electron. if possible then how and what is emitted while electron splits up ? —The preceding unsigned comment was added by 202.56.7.139 ( talk) 11:39, 8 April 2007 (UTC).
Thanks for answers . but as far as i know high energy photon shows pair production characteristics when they collide with any particle . This characterastics proves that electron can be formed, then it should be possible to split electron .
How many tonnes of NOx are produced daily by human activity? Tobes (talk) 13:26, 8 April 2007 (UTC)
Do CDs/DVDs write better if they are hot or cold? Becuase when i take them out i find they are always hot, but then again after extensive game playing they are also hot... —The preceding unsigned comment was added by 85.210.157.80 ( talk) 15:26, 8 April 2007 (UTC).
In the movie X-Men 2 (possibly not the most realistic portrayal of genetics, but still), one of the characters claims that the " mutant gene" (stupid name for a gene, given that any gene be mutated) can only be passed on by males. Of course, if the gene was on the Y-chromosome, then this would be possible, but since females do not have a Y-chromosome, they could not become mutants. So, more generally, are there are genetic conditions which can only be passed on by one sex, but expressed by either? Laïka 19:58, 8 April 2007 (UTC)
I regret that such an important concept received such a poor article (I myself don't have any knowledge to improve it). It seems that the expression "natural environment" has two different meanings in the article:
These two meanings are quite different from one another. Do they really exist in parallel? If someone could improve the article and make things clearer, that would be great. Gidip 20:08, 8 April 2007 (UTC)
I am looking for info. on a Texas arachnid known as the "vinageroon". Can find nothing on them, but know they exist because have seen them. They exist in the desert areas along with the scorpions. The common name comes from their toxin made up of acetic acid.
A little blurb came up in my mind a few years ago, and is still with me to this day.
If who I am, is formed (in simpel terms) by my neural net. And this neural net is constantly changing, adapting, reconnecting and restructuring itself. Then aren't I in a fact being reborn over and over again? Only with little changes in stead of large ones? Changes so small that nobody would doubt that PvT is still PvT? Countless of other PvT's have existed and died, are no longer here. Yet nobody mourns them.
So if I am in a constant state of flux then when am I me? And what then does it mean to die?
Are there any branches of science/philosophy that touch this subject? I've been trying to read the article on the philosphy of mind and such. But they are rather, bulky. PvT 21:36, 8 April 2007 (UTC)
Does it exist somewhere in the universe?-- 172.131.75.193 22:25, 8 April 2007 (UTC)
Can this photograph be identified? Thegreenj 22:42, 8 April 2007 (UTC)
Looks to be in the family Boraginaceae; good chance of Echium genus. try those as search terms. Polypipe Wrangler 01:54, 9 April 2007 (UTC)
I have uploaded a new photograph just for identification purposes. Thegreenj 00:10, 10 April 2007 (UTC)
Science desk | ||
---|---|---|
< April 7 | << Mar | April | May >> | April 9 > |
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. |
I have three cats. Every day, I keep for them two bowls of dry food. I noticed that the food level in the two bowls, during the day, is decreasing at a similar rate. When I spy on them, it seems that they are purposedly picking food from the one bowl which has more food at that time. Why could that be? Why not finishing one bowl then attacking the other?-- JLdesAlpins 00:39, 8 April 2007 (UTC)
Another less likely possibility is that they can't find the food in a bowl that's almost empty. I don't believe cats have color vision, which makes it hard for them to find certain items that are the same shade as the background. I've been amazed at my cat's inability to find certain foods on the floor. It sniffs around the area, but can't seem to locate food that I can see as plainly as daylight. StuRat 04:12, 8 April 2007 (UTC)
As I have read from a book of a Sahara explorer, some snail-eating foxes have the habit of picking only a few snails from a bush (so they can reproduce until the next meal) and traveling miles to visit other bushes. If they had eaten all the snails from a given bush, the snail population would have died out (and a little later, the foxes too because of starvation). Maybe there is some reason in the case of the cats too. In their natural habitat they eat live food, so they must spare some of it. -- V. Szabolcs 12:06, 8 April 2007 (UTC)
What is the total quantity of information entropy in the universe? Is it increasing or decreasing? Neon Merlin 02:05, 8 April 2007 (UTC)
why are eukaryote diseases more difficult to treat than prokaryote diseases? —The preceding unsigned comment was added by 4.152.24.220 ( talk) 03:05, 8 April 2007 (UTC).
I was just watching the movie Jesus Camp, and noticed something a bit strange. Many of the children (and some of the adults) have extremely dilated pupils, like they were on MDMA or something like that. One of my friends recently became a born again christian, and I noticed the same thing happening to him... huge dilated pupils. When people feel this way, I'm thinking it must be the body releasing endorphins that make them feel that way, which allows them to feel like jesus is inside of them, and that leads to the dilated pupils. Has anyone else noticed this, or have any thoughts on it? 67.142.130.20 03:12, 8 April 2007 (UTC) Anonymous
As I was walking back home last night/this morning (~6:30 UTC), I noticed that the moon was yellow-orange. The lunar eclipse happened weeks ago, so what else could account for this?
Thanks. 137.99.165.83 06:08, 8 April 2007 (UTC)
A man carry electric which could be felt when we touch him like we feel mild electric shock. What is cause ? —The preceding unsigned comment was added by 89.148.17.212 ( talk) 06:33, 8 April 2007 (UTC).
Does anyone know if magic mushrooms have a psychedelic effect on living creatures other than humans? On a more general note - do animals and birds ever actively seek out and consume naturally occurring psychedelic substances? -- Kurt Shaped Box 07:34, 8 April 2007 (UTC)
(following on from the question above) This may just be a TV/movie/cartoon stereotype but generally, whenever I see guys playing the tuba on TV, more often than not, they are the fattest guys in the orchestra. So, is there any real advantage to being fat when playing this instrument? -- Kurt Shaped Box 07:44, 8 April 2007 (UTC)
You can lay it on your stomach? PitchBlack 07:58, 8 April 2007 (UTC)
The first page of a Google Image Search for "tuba player" does not support a hypothesis that they are fatter than average. -- TotoBaggins 17:34, 8 April 2007 (UTC)
@ 2007-04-08T22:50Z
I saw the original 60's film "Planet of the Apes" tonight on TV, and got me thinking about extinction. And I thought:
1) Is there a reason why we should preserve species and not just let them die out?
2) Would it be possible to get DNA from living species now, and be able to create living copies of it in the future, incase they ever became extinct? (WHEN they become extinct)
If number 2 is possible, there should be a place/laboratory/museum where they have multiple DNA's from each species they were ever able to get DNA from (that is, if they haven't already). Any views for or against this idea? PitchBlack 07:57, 8 April 2007 (UTC)
Why do we produce tears when we're in a strong state of emotion? (sadness, happiness, anger) I looked at the article on "tears" but all I see is that it's because of a "different chemical makeup" but it doesn't actually explain how or why it happens.
Like when our eyes get too dry, our brain notices and does doody-dah-bahbooloo and releases tears to lubricate them. So, when we're emotional, how is our brain reacting, and why does it ultimately react by making us tear?
Another question I think of when thinking of this is how can people focus and force themselves to cry? I'm occasionally able to do it, but me knowing that I, or others are capable of doing it does not let me know why it's possible, or why it's allowed to be done. PitchBlack 08:24, 8 April 2007 (UTC)
Weird cause I just read an article that mentioned something related today. The relevant part is: "Crying is difficult to fake. Even actors have to generate some feeling before they cry. The Israeli evolutionary biologist Amotz Zahavi proposed that you can infer the honesty of a social signal by measuring the cost of the expression. Harvard's Marc Hauser, applying this principle to the eye, regards tears as the human equivalent of a dog rolling belly-up to show submission. "Unlike all of the other emotional expressions, tearing is the only one that leaves a physical trace," he says. "It blurs one's vision, therefore it's costly." Here. Recury 20:19, 10 April 2007 (UTC)
is it possible to split an electron. if possible then how and what is emitted while electron splits up ? —The preceding unsigned comment was added by 202.56.7.139 ( talk) 11:39, 8 April 2007 (UTC).
Thanks for answers . but as far as i know high energy photon shows pair production characteristics when they collide with any particle . This characterastics proves that electron can be formed, then it should be possible to split electron .
How many tonnes of NOx are produced daily by human activity? Tobes (talk) 13:26, 8 April 2007 (UTC)
Do CDs/DVDs write better if they are hot or cold? Becuase when i take them out i find they are always hot, but then again after extensive game playing they are also hot... —The preceding unsigned comment was added by 85.210.157.80 ( talk) 15:26, 8 April 2007 (UTC).
In the movie X-Men 2 (possibly not the most realistic portrayal of genetics, but still), one of the characters claims that the " mutant gene" (stupid name for a gene, given that any gene be mutated) can only be passed on by males. Of course, if the gene was on the Y-chromosome, then this would be possible, but since females do not have a Y-chromosome, they could not become mutants. So, more generally, are there are genetic conditions which can only be passed on by one sex, but expressed by either? Laïka 19:58, 8 April 2007 (UTC)
I regret that such an important concept received such a poor article (I myself don't have any knowledge to improve it). It seems that the expression "natural environment" has two different meanings in the article:
These two meanings are quite different from one another. Do they really exist in parallel? If someone could improve the article and make things clearer, that would be great. Gidip 20:08, 8 April 2007 (UTC)
I am looking for info. on a Texas arachnid known as the "vinageroon". Can find nothing on them, but know they exist because have seen them. They exist in the desert areas along with the scorpions. The common name comes from their toxin made up of acetic acid.
A little blurb came up in my mind a few years ago, and is still with me to this day.
If who I am, is formed (in simpel terms) by my neural net. And this neural net is constantly changing, adapting, reconnecting and restructuring itself. Then aren't I in a fact being reborn over and over again? Only with little changes in stead of large ones? Changes so small that nobody would doubt that PvT is still PvT? Countless of other PvT's have existed and died, are no longer here. Yet nobody mourns them.
So if I am in a constant state of flux then when am I me? And what then does it mean to die?
Are there any branches of science/philosophy that touch this subject? I've been trying to read the article on the philosphy of mind and such. But they are rather, bulky. PvT 21:36, 8 April 2007 (UTC)
Does it exist somewhere in the universe?-- 172.131.75.193 22:25, 8 April 2007 (UTC)
Can this photograph be identified? Thegreenj 22:42, 8 April 2007 (UTC)
Looks to be in the family Boraginaceae; good chance of Echium genus. try those as search terms. Polypipe Wrangler 01:54, 9 April 2007 (UTC)
I have uploaded a new photograph just for identification purposes. Thegreenj 00:10, 10 April 2007 (UTC)