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Images of Isamar Ortiz-Arroyo
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Hundreds converge for Northwest Arkansas History Day event
www.arkansasonline.com
History came alive Saturday as hundreds of Northwest Arkansas students gathered to demonstrate their knowledge of important people and events.
Police kill gunman after shooting spree | HeraldScotland
www.heraldscotland.com
The man, said to be in his late twenties, shot two people dead in a house before opening fire on a bus, surrounding streets and a community college.…
Santa Monica Shooting: Gunman Kills Four | US News | Sky News
news.sky.com
A gunman apparently wearing a bulletproof vest kills four people in Santa Monica before police shoot him dead.
Researchers find chemical reactions by enzymes point the way toward...
phys.org
More information: Isamar Ortiz-Rivera et al. Convective flow reversal in self-powered enzyme micropumps, Proceedings of the National ...
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