In the Dec. 23 & Jan. 6 SN: Our top stories of 2017, grounded pterosaur hatchlings, protectors of the Dead Sea Scrolls, a counterintuitive metamaterial, neutron star sizing, arrow of time reversed, E. coli in flour and more.
KEEP YOUR DISTANCE Babies born to moms living within one kilometer of fracking sites are more likely to be underweight than those born to moms living three kilometers or farther away, a new study suggests.
HARD KNOCKS By studying the brains of former football players, researchers are finding clues about how a neurodegenerative disease called chronic traumatic encephalopathy, or CTE, progresses, with the hopes of one day preventing it.
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ZIKA'S IMPRINT Zika’s spread through the Americas, with the associated birth defects and other maladies, was one of the top stories last year. It remained an important science story in 2017.