The table shows the pin configuration of the Arduino UNO–based robotic arm. The red (VCC) wires of all servos are connected ...

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What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...

January 28, 2026 • To the casual observer, it might seem like the U.S. has spent years in a constant state of protest — and they’re only getting more intense under the second Trump administration. So ...

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Using a degenerate PCR strategy with primers encoding the 5′ and 3′ ends of the paired-type homeobox region, we cloned a 115-bp cDNA fragment of the rat Lmx1b gene from adult rat brain. The fragment ...

For more than 160 years, the National Academies have provided nonpartisan, evidence-based advice on decisions that affect our nation. Browse the listing of projects and activities to see examples of ...

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