Home pregnancy tests that use colored streaks to indicate positive results may display an evaporation line (evap line). This is a colorless streak that occurs when urine dries on the test strip.

Concentrators (nitrogen blowdown concentrators) are becoming increasingly used as an alternative to rotary evaporators due to ...

Increased demand for injectable drugs and stricter regulations drive surge in aseptic fill-finish technology, with Biopharma Group emerging as a trusted partner for UK and Irish pharma ...

The Odessa American is the leading source of local news, information, entertainment and sports for the Permian Basin.

The country’s only fully operational lithium mine had an air pollution problem, Nevada regulators found.