(AP Photo/Jae C. Hong, File) LOS ANGELES (AP) — The Los Angeles County Sheriff’s Department said this week it will retest 4,000 DNA samples and open an internal investigation after learning that it ...

In August, a manufacturer of DNA testing kits sent a letter to the Los Angeles County Sheriff’s Department warning officials to stop using certain test kits that had proved prone to giving ...

Should this transistor be fitted into a chip that does prove faster than US-made chips by Intel and other companies, it could also allow China to sidestep current restrictions on buying advanced ...

"We fabricate a vertical n-type organic electrochemical transistor with a gradient-intermixed bicontinuous structure that simultaneously enhances the ionic and electronic transport and the ion storage ...

"Raw plastic pellets come in, raw aluminum comes in, and we make those into the Starlink kits, and then ship them right out to customers homes." Each week, SpaceX launches satellites to build out ...