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 ...

When the world's first flower sprouted about 140 million years ago, it was bisexual, possessing both male and female reproductive parts, according to the researchers who virtually reconstructed the ...

In some deserts of the world, a series of heavy rains can trigger many species of plant to flower at the same time. Beneath Death Valley lies a massive seed bank of desert wildflowers and when heavy ...