Cyanin is a vegetable blue, or rose color, which reddens by the action of acids. Blue flowers are found to possess a neutral juice, while the juices of red flowers have an acid reaction ...

A UCLA art historian is exploring what the color blue can tell us about the hidden history of Indigenous peoples.

MIAMI (AP) — If any husbands or boyfriends mess up Valentine’s Day this week, it’s not because of a shortage of flowers. In the run up to Feb. 14, agricultural specialists at Miami ...

Hydrangeas demonstrate the importance of phenomics and the powerful influence that the environment has on organisms. The flowers are blue when grown in soil that is acidic but pink when they are grown ...

Copyright 2025 The Associated Press. All Rights Reserved. Agricultural specialists at Miami International Airport have processed about 940 million stems of cut ...