by Jenn Tsau and Suzy Szumowski — When cells divide, it's really important that they do so equitably so you don't end up with some having too much and some too little cell material; the results of either could be deleterious. Therefore, over the billennia that life has been around, mechanisms to carefully divvy up...
by Manuel Sánchez and Miguel Vicente — From wheels to turbines, humans have invented a goodly number of machines to perform various mechanical tasks. The same function, e.g., to move a car, can be carried out by motors of different designs. This is also true for cells, where the same function can be carried out by differently designed machines. Just as most cars use a gasoline engine, most microbes...
