An anaphylactic reaction to a bee sting can cause symptoms such as hives, nausea, and difficulty breathing. If you have symptoms of anaphylaxis, seek medical treatment immediately. Bee stings ...

The second reaction can happen within 72 hours of the first. Protracted anaphylaxis: This type of anaphylaxis is relatively rare. The reaction can last for days or even weeks without fully resolving.

Reaction kinetics and dynamics articles from across Nature Portfolio Reaction kinetics and dynamics refers to the study of why, how and how fast chemical processes take place. Chemists seek to ...

The effects of non-reacting components on polyatomic reactions are still largely unclear. Here, the authors show through a combined experimental and theoretical study of the D + CH 4 reaction that ...