Here's a simple experiment you can do at home with your kids. Somebody's bound to learn something.
Today's program explores how concrete foundations set underwater.
The recipe calls for baking powder, but you've just run out. Can you substitute baking soda?
You took a stack of paper and burnt it. What happened to the papers when you lit them up?
What would it be like if our eyes evolved to see infrared light?
Fire is a chemical reaction between oxygen molecules and some kind of fuel. This reaction releases the heat and light that we call fire.
Why is it okay to bleach cotton cloth, but not wool?
Just how do those glowing plastic necklaces work? Learn more on this Moment of Science.
Eating snow to obtain water is metabolically expensive–it would take too much energy to melt down enough snow. Consequently, polar bears have evolved so that they don’t need to drink free water.
The chemicals that cause this reaction are stored in our nerve endings, and when we die, they’re gradually released.