Regina's Biology Blog June 2004 Archive

An intranasal vaccine for SARS protects monkeys from being infected.

Individuals who have a lower response to stress tend to also have a lower risk of developing hypertension later in life.

A study has shown that a compound found in breast milk can destroy cells infected with the skin warts virus. It is hoped that this compound will have similar effects ... Read More

Scientists have found that by inserting a specific gene into the brains of meadow voles, the previously promiscuous rodents become more monogamous.

Nervous tissue is responsible for sensing "stimuli" and transmitting "signals" to and from different parts of the body. Neurons are the basic unit of nervous tissue.

The nervous system can be divided into two parts: the central nervous system (brain and spinal cord) and the peripheral nervous system. The peripheral nervous system is responsible for carrying ... Read More

Anatomical directional terms are like the directions on a compass rose of a map. They can be used to describe the locations of structures in relation to other structures or ... Read More

A study presented at the Pan African Sanctuaries Alliance conference suggests that chimpanzees may become extinct in about fifty years. Hunting, disease, and deforestation have all led to a huge ... Read More

We all need energy to function. We get this energy from the foods we eat. Cellular respiration is a process by which cells harvest the energy stored in food.

A mother has donated nerves to her injured son. The mother's nerves, along with nerves taken from her son, were grafted into the boy's paralyzed left arm.

The cardiac cycle is the cycle of events that occurs as the heart contracts. There are two phases of the cardiac cycle. In the diastole phase, the heart ventricles are relaxed ... Read More

Tropical rain forests are characterized by dense vegetation, seasonally warm temperatures, and abundant rainfall. The animals that dwell here depend on trees for housing and food.