Hello, I'm Anna Coren, welcome to Earth's Frontiers.

大家好，我是安娜·科隆，欢迎收看《地球新领域》。

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Coren explains the hug in nature is restrictive and may annoy or frighten a dog.

科伦解释说，在自然中，拥抱也意味着限制，可能会使狗狗愤怒或者害怕。

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"It's the first level of consciousness, knowing that you are there and a separate entity from everyone else," Professor Coren said.

“这是第一层认知，知道自己在那，自己是和其他人分开的实体，”Coren教授说。

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Writing in the Times, food critic Giles Coren bemoaned the public's lack of knowledge about what is in their food.

BBC: What is actually in a value burger?

We're also continuing to see innovation in traditional bikes, like UBC GmbH's Coren bike, which is made of high tensile strength T1000 carbon fibers.

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"It's a beautifully designed home, and I love how open the space is and how bright it is, " said 21-year-old graphic design student Laura Coren.

CNN: Thousands flock to London's Open House festival