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Science

Fold paper. Insert lens. This $2 microscope changes how kids see the world

Fold paper. Insert lens. This $2 microscope changes how kids see the world

The Foldscope brings a powerful science tool to schools that can't afford microscopes. Scientists use it too. Its creators have handed out 2 million units, including a new mini-model for younger kids.
by Kamala Thiagarajan

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How dead stuff at the bottom of the ocean helps slow the pace of climate change

How dead stuff at the bottom of the ocean helps slow the pace of climate change

The oceans play a big role in preventing the Earth from getting even hotter due to climate change. That's thanks to the ocean's natural waste recycling system, a process that's still mysterious.
by Lauren Sommer

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Remembering Dr. Richard Cash: How a 'simple' intervention helped save millions of lives

Remembering Dr. Richard Cash: How a 'simple' intervention helped save millions of lives

In the late 1960s, he went to Dhaka to work on cholera. There he became involved in the development of oral rehydration therapy — hailed as one of the most significant medical advances of the century.
by Joanne Silberner

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