Sunday , May 20 2018
Home / Tag Archives: analysis

Tag Archives: analysis

The Hairy Problem With Drug Testing and Chemical Analysis

Keri Hogan was about to become a police officer when she submitted a sample of her hair to the city of Boston for testing. The city, in turn, gave it to a company called Psychemedics, which washed the hair, dissolved it, and used gas chromatography and mass spectrometry—chemical analysis techniques—to ...

Read More »

New supernova analysis reframes dark energy debate

The accelerating expansion of the Universe may not be real, but could just be an apparent effect, according to new research published in the journal Monthly Notices of the Royal Astronomical Society. The new study — by a group at the University of Canterbury in Christchurch, New Zealand — finds ...

Read More »