How Come Strawberries Have Seeds on the Outside?
Some strawberries are white! Yes, actually there are several varieties of white strawberries that ripen and never turn red. Two of the most common…
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Red
How Does Your Body Make Blood?
The blood that our hearts pump through our bodies is composed of cells and plasma. The cells include red blood cells, white blood cel
When Does Litmus Paper Turn Red?
Litmus paper turns red when placed in an acid solution, but blue if the solution is alkaline. This absorbent paper is the oldest and most co
When Does the Male Stickleback Turn Red?
When Does the Male Stickleback Turn Red? The male stickleback’s belly turns red at the start of the breeding season in spring. This shade he
Why Is Blood Red?
Why Is Blood Red? Blood gets its red color from a substance called “hemoglobin.” Hemoglobin has a molecule called a “heme” which has the met