The statistical analysis relied exclusively on some crudely measured differences across schools, such as the number of days in the school year or
the presence of a science lab.
Not exact matches
The company also created a device to detect the
presence of the DNA tag, based on polymerase chain reaction (PCR), a test so fundamental to chemistry that it is used in high school
science labs across the country.
The first mineralogy experiments by the Mars
Science Lab on board the Curiosity rover confirm the
presence of basaltic minerals similar to those found on Earth at Mauna Kea volcano in Hawaii, according to research results published online today by the journal
Science.