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Matter & Energy

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TAKING THE BAIT  In an iron (FE) nanoparticle (blue) with an iron hydroxide shell containing oxygen (O, green), uranium (U, red) first takes the bait created by the shell and then is trapped inside the solid iron core.

thermometer

SMALL WONDER  Ross Kelly purchased this thermometer in Switzerland and displays it online.

Suzuki violin

SHAPING UP  The design of a violin’s f-holes can have a slight effect on the instrument’s lowest notes, influencing the power of the sound.

Matter & Energy

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