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.
2 doctors agreed: Wrong question: There is no true cockroach disease but they can trigger asthma. Roaches dwell in sewers and feed on feces and corpses, then deposit organisms on surfaces where you prepare food. There are over 30 illness causing bacteria carried by roaches. Most cause gastroenteritis (vomiting and diarrhea).