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How Do Fish Sleep

How do fish sleep? Fish are undoubtedly one of the rarest animals on the planet. If we think about it, life originated in the sea, so in fact the rare ones would be us, but from our point of view these vertebrates have properties that distinguish them. One of them would be the habit of sleep . Have you ever wondered how the fish sleep ? Well, let’s talk about it today. Differences between the dream of humans and that of fish The dream is that process where living organisms…

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Viking Axe, this is the oldest in the world

This viking axe it is a small piece of stone as small as 11 millimeters, but an Australian team of archaeologists claims that it belongs to the oldest known ax. According to dating, it was carved by the first settlers of Australia about 44 to 49,000 years ago. The discovery of this viking axe surpasses in more than 10,000 years the similar instruments that are known, and throws new cellars on the technological development of our ancestors. The importance of the viking axe is that it points to the fact that it…

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Siberian Cat – Information and Images

The Siberian cat is a feline from the eastern part of Russia , specifically from the forests of Siberia , as its name suggests. This feline breed is one of the three that form the so-called ‘forest cats’ along with the Norwegian Forest and Maine Coon breeds, with whom it shares essential characteristics such as the thick, waterproof and abundant fur that allowed to survive these felines at temperatures Under zero of its original environment.  ORIGIN OF THE SIBERIAN CAT The Siberian cat comes from the large Siberian woodlands located in Russia and Ukraine, where they have been holding them for centuries as…

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Semantic Memory: Definition & Exercises

What is semantic memory? Tulving was the first to establish the term of semantic memory. Semantic memory  can be defined  as a type of  memory of meanings and general knowledge  in which our concrete experiences do not intervene, nor the memory of specific events. For example, to answer the question “how many hours a day has” does not need to evoke any particular moment of our life in which we have learned that knowledge. Semantic memory allows us to “automatically” remember that one day has 24 hours, without needing to evoke concrete events that remind us of that…

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Spiders on Drugs

The effects of drugs on spider webs are the result of an experiment: spiders on drugs, in which some arachnids were given different classes of substances. The following images confirm the effects of drugs on living beings in this case a group of spiders with a serious problem of drug addiction and we call them spiders on drugs. In fact, these arachnids were fed by scientists for several days with flies impregnated on different stimulants. The really interesting thing is that the web created under the influence of caffeine (legal…

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Warrior Wasp is the worst insect sting in the world

If a bee has ever bitten you, you know that the pain that causes the poison from these bugs can make you twitch for hours, and warrior wasp gives me reason. Nothing can compare to the suffering caused by those black-and-white bugs, so when we see in the animal documentaries the guides talk about the insurmountable threshold of pain caused by red ants , we do not believe that there really can be anything beyond. But this is, of course, totally false. There are hundreds of creatures ready to nail their stings and leave us…

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Carpenter Ants Identification and Control

Everything you need to know about carpenter ants. Carpenter ants get their name because they build their nests in the wood. That can cause significant damage to the wood of a house. There are nine types of carpenter ants in North America and range in size from about a quarter of an inch (about the width of a pencil) to a working carpenter ant three-quarters of an inch (about the size of a coin) for a queen ant Carpenter Each colony is established with a single fertilized queen. She begins…

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Why Nantucket’s Frozen Waves Are So Spectacular

This last month of February has been one of the coldest in the history of the United States, and one example are the frozen waves. Temperatures have dropped so much, that we are witnessing one of the strangest phenomena of nature, the total freezing of the waves in motion. Surfer Jonathan Nimerfroh came face-to-face with this picturesque phenomenon off the coast of Nantucket, Massachusetts, and did not hesitate to take some stunning photos that have traveled the world. Nimerfroh described the waves as small and slow-moving, “a wonderful sight,” said the…

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