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Dogs cry for joy after reuniting with their owners

Dog Tears - Level 0

People say dogs are man's best friends. Dogs and humans have always been close. Scientists think the bond is very deep. They said dogs cry with joy when they see their owner after being away for a long time. The scientists said when dogs see their owner, they cry. When they see other people they know, they don't cry.

The researchers said when dogs see their owners after five hours of being apart, they cry. A researcher said he had never heard of animals crying tears of joy. He thinks dogs' tears make humans love their dogs more. He said: "It's possible that dogs who show tears…during human interaction would be cared for more."

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Dog Tears - Level 1

In English, people say dogs are man's best friends. Dogs and humans have been close for thousands of years. Scientists believe the bond is very deep. They found that dogs cry with joy when they see their owner after being away a long time. The scientists studied 22 dogs. They looked at how the dogs reacted when they saw their owners again. When the dogs saw their owners, they cried. When they saw other people they knew, they didn't cry.

The researchers put paper under the dogs' eyes to see if the dogs cried. When dogs saw their owners after five hours of being apart, they cried. A researcher said he had never heard of animals crying tears of joy. He said dog's tears might deepen their relationship with humans. He thinks dogs' tears make humans love their dogs more. He said: "It's possible that dogs who show tears…during human interaction would be cared for more."

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Dog Tears - Level 2

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A saying in English says a dog is man's best friend. Dogs and humans have shared close relationships for thousands of years. Scientists believe the bond between humans and dogs is deeper than we thought. They found that dogs cry with joy when they see their owner after a period of absence. The scientists did a small study on 22 dogs. They tested the behaviour of the dogs. They looked at how the dogs reacted when they were reunited with their owners, and with other people they saw every day. The scientists said that when the dogs saw their owners, they cried.

The researchers put strips of paper under the dogs' eyes. They used the paper to check if the dogs cried. The scientists found that when dogs saw their owners after five to seven hours of separation, they shed tears. A researcher said he had never heard of animals crying tears of joy, when reuniting with their owners. He said: "Tears might play a role in the deepening of mutual relationships." He thinks dogs' tears may make humans love their dogs more. He said: "It's possible that dogs who show teary eyes during human interaction would be cared for more."

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Dog Tears - Level 3

There is a saying in English that says a dog is a man's (and woman's) best friend. Dogs and humans have shared close and loving relationships for thousands of years. Scientists believe the bond between humans and dogs is deeper than we thought. The scientists discovered that dogs cry tears of joy when they see their owners after a period of absence. The scientists conducted a small-scale study on 22 dogs. They tested the behaviour of the dogs. In particular, they looked at how the dogs reacted when they were reunited with their owners and with other people they had daily contact with. The scientists said that when the dogs saw their owners, they cried.

The researchers, from Azabu University and Jichi Medical University, put strips of paper under the dogs' eyes. They then checked to see if, and when, the dogs cried. The scientists found that when the humans and dogs were reunited after five to seven hours of separation, the dogs shed tears. Researcher Takefumi Kikusui said: "We had never heard of the discovery that animals shed tears in joyful situations, such as reuniting with their owners." He added: "Their tears might play a role in the deepening of mutual relationships." He believes the tears may make humans love their dogs more. He said: "It's possible that dogs who show teary eyes during human interaction would be cared for more."

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