Kash Patel, Trump’s nominee for FBI director, could do a lot of damage without overhauling the bureau much at all.

The non-descript, pill-shaped cell is why we understand fundamental life processes (think DNA replication and transcription).

The bioelectronic scaffolds that Rutz and Okafor print appear as dark-colored dots about 6 millimeters in diameter -- about the size of a pencil eraser -- and are floating in water. Okafor has ...