Why plants grow towards the light. 1  Botany: A Stem's 'Sense of Self' Contributes to Shape. 2  Scientists Discover C4 Photosynthesis Boosts Growth by Altering Size, Structure of Plant Leaves, Roots. 3  Cellulose Goes Off the Rails: Without Microtubule Guidance, Cellulose Causes Changes in Organ Patterns During Growth.
Tasting hairs on the legs of a roach can not only help it determine a food source, but help it avoid pesticides as well. Glycocides -- poison baits mixed with glucose -- were traditionally used to dose the sweet-loving cockroach with lethal toxins.
The hamstring plays a pivotal role in walking, jumping, running, cycling or swimming. The hamstrings are the powerhouse of your legs. Hamstrings allow you to bend your knees, straighten your leg and control movement from the hip. A hamstring injury can cause a big disruption in your fitness or training regimen, leaving you on the couch for weeks if not treated right.