If you or someone you’re with is experiencing anaphylaxis, call 911 or your local emergency services immediately. Help them use an epinephrine auto-injector (sometimes called an EpiPen) if they have ...

An allergic reaction happens when your immune system defends against substances that otherwise wouldn’t pose a threat to your body. Common allergens include pollen, mold, and certain foods. Share on ...

An acid and alkali will neutralise each other and produce a salt and water. This is called a neutralisation reaction. The name of the salt produced can be worked out from the names of the acid and the ...

Predicting transition states of chemical reactions is demanding. A generative flow model in distance geometry space, dubbed TS-DFM, is proposed, achieving higher structural accuracy and better ...

When a chemical reaction occurs, energy is transferred to or from the surroundings. There is usually a temperature change. For example, when a bonfire burns it transfers heat energy to the ...