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.
How do these new Cancer therapies work, and how effective are they?
Do insects even have hearts? Sure they do, but their hearts are somewhat different from human hearts.
If you had to guess the most common cause of headaches, would you ever suspect the culprit is ice cream?
Do you faint if you see, or maybe even think about blood? The symptoms you are experiencing are part of a syndrome called vasovagal syncope syndrome. Learn more on this Moment of Science.
You know how Santa Claus is always depicted with rosy red cheeks? We have a theory that Mr. Claus has the skin condition, rosacea. Rosacea is a skin condition affecting about 14 million adults in the United States. Learn more on this Moment of Science.
What happens in your body when you're frightened? Find out on this Moment of Science.