Amanda B. Keener
Amanda Keener is a freelance science journalist based in Littleton, Colo.

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All Stories by Amanda B. Keener
- Health & Medicine
Mom’s immune system and microbiome may help predict premature birth
Analyzing patients’ immune systems, microbiomes and more, researchers find signals to pinpoint and halt premature labor.
- Health & Medicine
An eye disorder may have given Leonardo da Vinci an artistic edge
An analysis of portraits believed to portray Leonardo da Vinci offers evidence that the artist had exotropia, in which one eye turns outward.