A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is descr..