The establishment of a mature root system is achieved through repetitive branching of the primary root. This process—called lateral root formation—is initiated deep within the primary root from a ...

Teeth function not only because of the hard enamel on the surface, but also because they have roots that anchor them firmly ...

Plants can acclimate by using tropisms to link the direction of growth to environmental conditions. Hydrotropism allows roots to forage for water, a process known to depend on abscisic acid (ABA) but ...

Nearly 90 percent of the brain is composed of glial cells, not neurons. Andrew Koob argues that these overlooked cells just might be the source of the imagination If you're enjoying this article, ...