Tiny tweezers allow precision control of enzymes

Tweezers are a handy instrument when it comes to removing a splinter or plucking an eyebrow. In new research, Hao Yan and his colleagues at Arizona State University's Biodesign Institute describe a pair of tweezers shrunk ...

Revealing a pollutant's Achilles' heal

Nitric oxide (NO) is a versatile free radical that plays central roles in the environment as well as living organisms. At low concentration in the human body, for example, NO protects organs against pathogens by acting as ...

Twenty-year protein mystery solved with surprising results

(PhysOrg.com) -- A new study of the CRYM protein, previously connected with deafness and cancer, has now proven that it has an enzymatic function. This opens up new implications for the treatment of neurological and psychiatric ...