This video segment adapted from NOVA explains how flowers play a central role in the reproductive cycle of plants. Their striking array of colors, patterns, fragrances, and nectar all require lots of ...

Scientists have known since the 1930s that plants sense the length of the days and, somehow, use that information to decide when to flower. Russian scientists back then speculated that a mysterious ...

Flowers are found around the world in a variety of environments, and in all kinds of sizes, shapes and colors. Flowers are collected for many different reasons. Scientists collect flowers to find ...

Excerpted from Garden of Marvels: How We Discovered that Flowers Have Sex, Leaves Eat Air, and Other Secrets of Plants by Ruth Kassinger, out now from William Morrow. Why flowers, anyhow? Plants began ...