California

Science, Tech & Environment

How police license plate readers can invade your privacy

License plate readers scan plate numbers and then cross-reference them with a “hot list” of plates of wanted or stolen vehicles. The problem is that only a small fraction of the plates are on the wanted list; the rest belong to non-criminal, law-abiding people – people whose movements the government could now conceivably track.

Science, Tech & Environment

This backcountry cook you've never heard of is a legend at Yosemite National Park

Ever heard of Sing Peak in Yosemite National Park? Turns out, it has nothing to do with music. It honors the park's Chinese immigrant past — and an amazing backcountry chef named Tie Sing. A park ranger at Yosemite did some digging and unearthed the hidden history of Sing and the immigrants who helped create the park we know today.