Sarah Vine and Andrew Pierce bring their own no-holds-barred opinions, insights and reaction (clue is in the title) to the biggest stories of the week. New episodes every Wednesday, wherever you ...

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 ...

The good news is that severe reactions to novocaine and other local anesthetics (including the more commonly used lidocaine) are uncommon. When symptoms do occur, they can range from minor swelling to ...