Dogs can fetch and roll over in the snow without fear of frostbite, thanks to the arrangement of blood vessels in their paws.
Credit: Dan Bennett
22 comments:
Aaron
said...
I never really thought about how dogs paws didn't get cold. When I saw the post I started to think about it, and wondered why dogs didn't get frostbite. In my house it is always cold, and since my dog has a lot of fur I didn't give much thought to it, but its paws, which are hairless, would be freezing. Without a dogs arrangement of blood vessels in its paws, I wonder if it wouldn't be man's common companion.
This article was really interesting. I have never given any thought to why dogs can run in the snow in really cold places. I knew why we could get frostbite though. After I read the article, it made me more curious. Would any other animals (beside those that walk in the snow all day) be able to run and walk around on ice?
Just from reading this title, I thought, "Lucky dogs!" I wonder if someone could make some kind of medicine, glove, or fake skin that would simulate the arrangement of blood vessels in dogs' paws; humans would be much better off. SEMs are really cool. Am I the last to know about them? I'm glad that penguins, whales, and seals have the same arrangement in their feet / hands, because I have always knew they had some kind of special... something to make them not freeze to death. Birds, rabbit ears, and whale eyes are very specific things. I wonder why Ninomiya chose to research them. Thank you for the article, whoever posted it.
Just from reading this title, I thought, "Lucky dogs!" I wonder if someone could make some kind of medicine, glove, or fake skin that would simulate the arrangement of blood vessels in dogs' paws; humans would be much better off. SEMs are really cool. Am I the last to know about them? I'm glad that penguins, whales, and seals have the same arrangement in their feet / hands, because I have always knew they had some kind of special... something to make them not freeze to death. Birds, rabbit ears, and whale eyes are very specific things. I wonder why Ninomiya chose to research them. Thank you for the article, whoever posted it.
I have always wondered why dogs have those super thick paddings on their paws. I know why. I wonder if scientists could arrange anything's blood vessels. I would have never guessed that they were immune to frostbite because their paws have no hair.
This was very interesting. I never thought about how I have never heard of dogs getting frost bite. I thought at first "Maybe they don't run around in the snow!" Wrong!!! Look at Huskies for an example. They are almost always in the snow. This counter-current heat exchange mechanism is very interesting. I really liked this article!
I never thought about dogs getting frostbite, but now that I think about it, It makes sense with all of the other wild canine species that hunt in the snow during winter. I wonder if this applies to felines such as mountain lions when they are hunting in the snow as well.
This article was really interesting. I wonder if scientists could figure out a way to make human feet and hands like that. They could move some arteries, maybe some veins and voila. I wonder if this kind of thing could be used to eat a pool or a house. If you put the filter next to where the warm water comes out, then maybe the water going into the filter would heat up too and you could save energy.
This is interesting. I think that it is very fortunate for dogs to have this kind of power. This makes sense, because dogs are used to pull sleds, (in some places,) and they don't have to wear boots! I think that it would be very difficult for someone to undergo a surgery where we would re-place their arteries and veins to overlap, having the heat pass between them. Although, according to a map I found of human veins and arteries, some veins and arteries overlap on the bottom of our toes. I wonder if they have the same effect? I guess, since I just put my toes against the cold floor, they do generate heat, since my toes weren't very cold. I don't know, my little "experiment" is not very accurate, but it is the most reliable experiment I can conduct from sitting at my kitchen table!
This is an amusing article. I had never thought about my dog getting sick except the occasional sneezes. Like Edie said, I als wonder if scientists can make a glovoe that can keep a human's skin safe from extrem weather conditions. An interesting way of looking at this is that a dog's paw is the complete opposite of an amphibian. Like we were talking about in science, the dogs adapted to its environment with these paws.
I learned a lot from this article! Like Amanda, I also never thought why dogs could just run and pull sleighs in very cold weather. I just thought they could. But I do not know if anyone would want to have a surgery so your arteries and veins overlap.
Before I read this article, I did not think about dogs' paws not getting cold at all. I just thought about their fur, but I forgot about the fact that their paws are hairless. I think that it is very interesting that dogs are somewhat similar to penguins (in terms of their paws). Maybe somewhere along the line dogs and penguins evolved from the same animal, but if they did it was probably a long time ago because dogs and penguins are very different and that is their only shared trait that I can think of right now.
This was interesting. I think that this evolution happened because it is the same in wolves (who live in cold places) and also that wild dogs live in cold places too.
Dogs are lucky. Their furless paws never get too cold. The design of their blood vessels could be used to more effectively heat homes by efficiently placing vents to heat the whole home.
This was an interesting article. I never have thought about how a dog's paws never get cold. I bet that in less than 50 years scientists will be able to arrange our blood vessels so that we will react the same way as dogs do to freezing temperatures. It is possible because look at the computers in the 1960's (http://www.pimall.com/nais/pivintage/burroughscomputer.html) and look at the computers today (http://www.apple.com/macbookpro/features.html).
Dogs are so lucky. I wish I didn't have to get all bundled up! I thought it was so cool that the arrangement of the dogs blood vessels was what makes them "immune" to frostbite. I always thought it was the fur that they had! I thought it was cool that the blood vessels in the dogs paws open and close when there is a temperature change. This was really cool!
I, too, found this article interesting, and also haven't given it any thought in the past. However, this analysis would make sense. This is probably a mutation made by dogs, as humans have mostly been able to find heat.
I think this is really cool and I have always wondered how dogs can walk with their paws on such hot and cold surfaces. I think that this is very convenient for dogs to have the padding on their paws because they don't wear shoes like we do and their paws would be in much worse shape if the did not have this padding.
That is interesting how dogs do not get frostbite! It is very resourceful to use blood as heat, so congratulations, dogs! Also, it would make sense that dogs and fellow canine-like creatures have evolved to have these arrangements of blood vessels from living in a cold environment. I think it would be interesting to see if cats that live in warm weather have them too, because it might determine if all animals have them, and just not use them, or if it is evolutionary based on the environment.
I always thought it was the fur that kept the dog warm! I never really thought about the paws, I guess I'm just used to shoes protecting our feet, so I never really thought about the dog's paws. It would be cool, like Edie said, to make fake skin that would simulate the dogs paw's blood vessel arrangement.
22 comments:
I never really thought about how dogs paws didn't get cold. When I saw the post I started to think about it, and wondered why dogs didn't get frostbite. In my house it is always cold, and since my dog has a lot of fur I didn't give much thought to it, but its paws, which are hairless, would be freezing. Without a dogs arrangement of blood vessels in its paws, I wonder if it wouldn't be man's common companion.
This article was really interesting. I have never given any thought to why dogs can run in the snow in really cold places. I knew why we could get frostbite though. After I read the article, it made me more curious. Would any other animals (beside those that walk in the snow all day) be able to run and walk around on ice?
Just from reading this title, I thought, "Lucky dogs!" I wonder if someone could make some kind of medicine, glove, or fake skin that would simulate the arrangement of blood vessels in dogs' paws; humans would be much better off. SEMs are really cool. Am I the last to know about them? I'm glad that penguins, whales, and seals have the same arrangement in their feet / hands, because I have always knew they had some kind of special... something to make them not freeze to death. Birds, rabbit ears, and whale eyes are very specific things. I wonder why Ninomiya chose to research them. Thank you for the article, whoever posted it.
Just from reading this title, I thought, "Lucky dogs!" I wonder if someone could make some kind of medicine, glove, or fake skin that would simulate the arrangement of blood vessels in dogs' paws; humans would be much better off. SEMs are really cool. Am I the last to know about them? I'm glad that penguins, whales, and seals have the same arrangement in their feet / hands, because I have always knew they had some kind of special... something to make them not freeze to death. Birds, rabbit ears, and whale eyes are very specific things. I wonder why Ninomiya chose to research them. Thank you for the article, whoever posted it.
I have always wondered why dogs have those super thick paddings on their paws. I know why. I wonder if scientists could arrange anything's blood vessels. I would have never guessed that they were immune to frostbite because their paws have no hair.
This was very interesting. I never thought about how I have never heard of dogs getting frost bite. I thought at first "Maybe they don't run around in the snow!" Wrong!!! Look at Huskies for an example. They are almost always in the snow. This counter-current heat exchange mechanism is very interesting. I really liked this article!
I never thought about dogs getting frostbite, but now that I think about it, It makes sense with all of the other wild canine species that hunt in the snow during winter. I wonder if this applies to felines such as mountain lions when they are hunting in the snow as well.
This article was really interesting. I wonder if scientists could figure out a way to make human feet and hands like that. They could move some arteries, maybe some veins and voila. I wonder if this kind of thing could be used to eat a pool or a house. If you put the filter next to where the warm water comes out, then maybe the water going into the filter would heat up too and you could save energy.
This is interesting. I think that it is very fortunate for dogs to have this kind of power. This makes sense, because dogs are used to pull sleds, (in some places,) and they don't have to wear boots! I think that it would be very difficult for someone to undergo a surgery where we would re-place their arteries and veins to overlap, having the heat pass between them. Although, according to a map I found of human veins and arteries, some veins and arteries overlap on the bottom of our toes. I wonder if they have the same effect? I guess, since I just put my toes against the cold floor, they do generate heat, since my toes weren't very cold. I don't know, my little "experiment" is not very accurate, but it is the most reliable experiment I can conduct from sitting at my kitchen table!
This is an amusing article. I had never thought about my dog getting sick except the occasional sneezes. Like Edie said, I als wonder if scientists can make a glovoe that can keep a human's skin safe from extrem weather conditions. An interesting way of looking at this is that a dog's paw is the complete opposite of an amphibian. Like we were talking about in science, the dogs adapted to its environment with these paws.
I learned a lot from this article! Like Amanda, I also never thought why dogs could just run and pull sleighs in very cold weather. I just thought they could. But I do not know if anyone would want to have a surgery so your arteries and veins overlap.
Before I read this article, I did not think about dogs' paws not getting cold at all. I just thought about their fur, but I forgot about the fact that their paws are hairless. I think that it is very interesting that dogs are somewhat similar to penguins (in terms of their paws). Maybe somewhere along the line dogs and penguins evolved from the same animal, but if they did it was probably a long time ago because dogs and penguins are very different and that is their only shared trait that I can think of right now.
This was interesting. I think that this evolution happened because it is the same in wolves (who live in cold places) and also that wild dogs live in cold places too.
Dogs are lucky. Their furless paws never get too cold. The design of their blood vessels could be used to more effectively heat homes by efficiently placing vents to heat the whole home.
This was an interesting article. I never have thought about how a dog's paws never get cold. I bet that in less than 50 years scientists will be able to arrange our blood vessels so that we will react the same way as dogs do to freezing temperatures. It is possible because look at the computers in the 1960's (http://www.pimall.com/nais/pivintage/burroughscomputer.html) and look at the computers today (http://www.apple.com/macbookpro/features.html).
This is pretty interesting. I understand now why we use them for snow rescue missions.
Dogs are so lucky. I wish I didn't have to get all bundled up! I thought it was so cool that the arrangement of the dogs blood vessels was what makes them "immune" to frostbite. I always thought it was the fur that they had! I thought it was cool that the blood vessels in the dogs paws open and close when there is a temperature change. This was really cool!
I, too, found this article interesting, and also haven't given it any thought in the past. However, this analysis would make sense. This is probably a mutation made by dogs, as humans have mostly been able to find heat.
I think this is really cool and I have always wondered how dogs can walk with their paws on such hot and cold surfaces. I think that this is very convenient for dogs to have the padding on their paws because they don't wear shoes like we do and their paws would be in much worse shape if the did not have this padding.
That is interesting how dogs do not get frostbite! It is very resourceful to use blood as heat, so congratulations, dogs! Also, it would make sense that dogs and fellow canine-like creatures have evolved to have these arrangements of blood vessels from living in a cold environment. I think it would be interesting to see if cats that live in warm weather have them too, because it might determine if all animals have them, and just not use them, or if it is evolutionary based on the environment.
I wish I was a dog. I hate having to wear a bunch of layers in the snow.
I always thought it was the fur that kept the dog warm! I never really thought about the paws, I guess I'm just used to shoes protecting our feet, so I never really thought about the dog's paws. It would be cool, like Edie said, to make fake skin that would simulate the dogs paw's blood vessel arrangement.
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