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          A close-up of the runes covering the R?k stone.
          氣候變化可能是維京人真正擔心的一件事。
          gold bar
          在墨西哥城公園發現的金條是被征服者掠奪的阿茲特克寶藏
          Man with migraine headache
          氣壓的變化如何影響人體

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          businessman smoking outside on sidewalk

          不吸煙者應該度過額外的休假日嗎?

          A close-up of a xenobot.

          +$Scientists turn frog cells into living machines

          ancient ginkgo biloba tree in a garden

          +$Gingko biloba trees guard a secret fountain of youth

          It landed on Earth in in the late morning on 28 September 1969 in Victoria, Australia.

          +$Scientists just found the oldest material on Earth — and it smells funny

          puppy at animal shelter

          在動物收容所裡,“禁殺”是什麼意思?

          Person looks out over the Grand Canyon

          +$What you can see on fee-free days at U.S. national parks this year

          Gyoza is the voice of aliens for Halo.

          聽一聽這隻小狗,你就會明白為什麼“光環”的制造者雇他做配音。

          A woman wears a face mask as she is waiting for a ferry on the Kowloon side of Hong Kong on Jan. 7, 2020.

          關于那個神秘的中國病毒你需要知道什麼

          A wide shot of the moon in all its colorful glory as captured from more than 100,000 photographs.

          +$Our moon is more colorful than you think

          congo river

          神秘的盲鬼魚揭示剛果是世界上最深的河流

          BedMachine Antarctica CROP FOR SOCIAL

          南極冰蓋下面有什麼?

          Sagittarius A*, or Sgr A* lives at the center of our Milky Way, does our black hole have a friend?

          黑洞有朋友嗎?

          a large platter of assorted bright cookies
          scientist in lab
          Peas and Carrots, Thanksgiving turkey pardon, Trump, 2018
          superhero underneath businessman's clothes
          The planet Mercury transits across the face of the sun on Nov. 11 2019

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