With loudspeakers, an important parameter is the frequency at which their cones resonate. This clever Arduino-based tester ...

How does the cell convert DNA into working proteins? The process of translation can be seen as the decoding of instructions for making proteins, involving mRNA in transcription as well as tRNA. But ...

January 27, 2026 • More Republicans are calling for an investigation after a second U.S. citizen was shot by a federal agent in Minneapolis.