1cm of purple liquid into 6 glasses/plastic cups ... At higher concentrations of Hydrogen ions, the pigment has a red/pink appearance. This explains the bright result of our lemon juice test.

(NEXSTAR) – At the final Mass at the Vatican Wednesday before the secretive conclave process officially kicked off, a sea of red and purple robes were visible in St. Peter’s Basilica. The wardrobe ...

If you grew up in a family of two sisters, chances are you were divided into two camps: pink or purple. But why did so many of us have this experience? We spend so much time making tiny decisions ...

Vascular birthmarks are often pink-, purple-, or red-colored skin markings that develop before or shortly after birth. Pigmented birthmarks are skin markings that are present at birth. The marks ...