Many of us gained our first appreciation for chemistry upon witnessing a high school teacher drop a chunk of sodium into a beakerful of water. You may think you know the explanation behind the ...

If you remember high school chemistry class at all, you might remember what happens when you drop potassium and sodium into water: It creates a big flashing, sparking explosion and remains a classic ...

An electrolyte is a substance that conducts electricity when dissolved in water. Electrolytes, such as sodium and potassium, are essential for several body functions. Everyone needs electrolytes to ...

If you ate too much salt, drink water and eat potassium-rich foods to rebalance fluids fast. Get moving—sweating helps flush ...