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  1. Finding the stories and growing the next crop of science journalists

    Editor in Chief Nancy Shute discusses how an intern wrote about 3-D printed guns.

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  2. Readers contemplate climate change and neural connections

    Readers had questions about neurons and carbon-absorbing algal blooms.

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  3. Health & Medicine

    Air pollution can reach the placenta around a developing baby

    A small study of women living in Belgium found soot embedded in their placental tissue.

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  4. Space

    The Milky Way’s supermassive black hole reached record brightness this year

    The big black hole at the center of the galaxy recently flared twice as bright as ever seen before in near-infrared wavelengths.