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 ...

Growing tissue from cells in a petri dish is hard enough, but growing multiple types of tissue, connecting them, and keeping them alive for weeks is even more daunting. A team led by Teresa K.

Ovarian cells did their thing in a dish for researchers who used microfluidics and chips to recreate a female menstrual cycle. weisschr/iStock The human body is really complicated—and the situation ...