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How the ISS recycles its air and water
国际空间站

作者：Kaitlin Sullivan

Only 10 percent of the world’s grasslands are intact
环境

作者：Kaitlin Sullivan

African swine fever has killed a million pigs—and isn’t slowing down
农业

作者：Kaitlin Sullivan

Celebrate Earth day with tonight’s amazing meteor shower
科学

作者：Kaitlin Sullivan

This ancient hypercarnivore had three sets of razor-sharp teeth
动物

作者：Kaitlin Sullivan

Glowing millipede genitalia give scientists a leg up in the lab
昆虫

作者：Kaitlin Sullivan

Neuroscientists just brought pig brain cells back to life, changing our view of death
健康

作者：Kaitlin Sullivan

Plastic hitches a ride on rain, snow, and wind to pollute the whole planet
污染

作者：Kaitlin Sullivan

This ancient sea creature had 45 tubular tentacles and will haunt your dreams
进化

作者：Kaitlin Sullivan

Learn how changes to the Clean Water Act could hurt your region before it’s too late
污染

作者：Kaitlin Sullivan

Wind turbines do not cause cancer
可再生能源

作者：Kaitlin Sullivan

Ancient poop is helping archaeologists understand a midwestern city’s demise
考古学

作者：Kaitlin Sullivan

measles prevention poster complications
疫苗

作者：Kaitlin Sullivan

the capital building in DC
健康

作者：Kaitlin Sullivan

Most health ‘cures’ you hear about in the news aren’t ready for humans
医药

作者：Kaitlin Sullivan

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