In a combustion reaction, fuel is burned and reacts with oxygen to release energy. Respiration is the chemical change that takes place inside living cells. Glucose and oxygen are used to release ...

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and their collaborators have demonstrated ...

Researchers from Tampere University and the University of Helsinki have identified an unexpected chemical process that may influence the formation of air pollution particles in urban environments. The ...

Reverse transcription polymerase chain reaction (RTPCR) is a technique to detect or quantify RNA. It uses a reverse transcriptase enzyme to convert RNA to DNA, followed by PCR to amplify the DNA.

Anaphylaxis is a life threatening allergic reaction that can happen within minutes after exposure to venom, food, or medication. Symptoms may include swelling, wheezing, weak pulse, shock, and trouble ...

General adaptation syndrome (GAS) describes the three-stage process your body goes through when under stress: alarm, resistance, and exhaustion. Short-term stress during the alarm stage isn’t harmful ...