You've probably heard someone use the phrase "blood red," but have you ever wondered if all blood really is red in humans?
Whether from playing too much basketball or jogging in ill-fitting sneakers, we've all had blisters. But what are blisters, and how do they form?
Have you ever been staring into space, or gazing up at a clear, blue sky and suddenly noticed clusters of tiny dots and swirls?
Ever feel sleepy after a big lunch? Find out the science behind taking a siesta!
Dear A Moment of Science, I've heard that pork can be used to stop a nosebleed. Is this true, or just a myth?
What is frostbite and why is it so dangerous to your body?
Need a way to make something large and expansive, small and compact for its journey to its final destination? Scientists are looking to origami to do just that.
If blood is either red or blueish, depending on the presence of oxygen, why are bruises sometimes black, green, brown, or even yellow?
You may have heard that too much salt is bad for you. Have you ever really understood why though? Learn more on this Moment of Science.