A 6-V battery powers a circuit with parallel branches on a board. Several wires and light bulbs plug into the board to make various series and parallel circuits. The brightness of the bulbs changes ...

The current standard methodology in forensic DNA typing relies on amplification of short tandem repeat (STR) markers by the polymerase chain reaction (PCR) and allele sizes (i.e., length-based) ...

At the end of last year, we reported that Americans can't get enough of hybrid cars, and that hasn't changed much for 2025. For instance, per GreenCars, sales jumped another 36% in the second quarter ...

The new series gives manufacturers in food, energy, and petrochemicals a unified standard for quality, combining lab-grade precision with industrial-scale efficiency. With costs climbing and ...

Radiolab is on a curiosity bender. We ask deep questions and use investigative journalism to get the answers. A given episode might whirl you through science, legal history, and into the home of ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.