The results of the study explain why leaves are pointy and flower petals have more rounded ends.
Valentine's Day has its roots in ancient Rome. Sweetheart cards, conversation hearts, and flowers also have dated origins. Life's Little Mysteries explains the holiday's ancient roots.
Valentines' Day is a multi-billion-dollar business for American florists and restauranteurs.
Smells in the air can color your first impression of someone, and some scents, like flowers, can even make you friendlier to strangers.
Annual plants live for one growing season and then die, but perennial plants regrow every spring.
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