WASHINGTON (AP) — The House on Thursday voted to censure an unrepentant Rep. Al Green, D-Texas, for disrupting President Donald Trump's address to Congress. Watch the House proceedings in the player ...
Chemists in South Korea have created a stable color-changing sensor that displays an easily quantifiable response to the pH of its surroundings. Published in Microsystems & Nanoengineering, Dong-Hwan ...
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