Regina's Biology Blog February 2004 Archive

The cytoskeleton is a network of fibers throughout the cell's cytoplasm. It helps the cell maintain its shape and gives support to the cell. A variety of cellular organelles are ... Read More

Researchers have discovered the remains of two new species of dinosaur in Antarctica. The fossils of the 6-foot carnivore were discovered at the bottom of an Antarctic sea, while the ... Read More

Imagine trying to defend a fortress that is constantly under attack from outside invaders. Now you have an idea of the immense task that our natural defense system must undergo ... Read More

A new book chronicles some strange and bizarre medical disorders. For instance, people with a disorder known as "walking corpse" often believe that they have died or are losing ... Read More

Do Protista, Monera or Animalia sound familiar? If not, don't worry. Get ready to explore the familiar and not so familiar kingdoms of life. Read more.

Researchers advise that almost everything we touch is coated with microbes. In a recent study, soap scum was found to contain over a billion bacteria per cubic inch.

Plant viruses commonly spread by either horizontal transmission (received from an external source) or vertical transmission (inherited from a parent). Viroids are tiny strands of RNA, usually only a few ... Read More

Dramatic increases in sepsis cases and high death rates have critical care specialists calling for treatment guidelines for common blood infections.

There is no need to feel guilty about eating chocolate on Valentine's Day or any other day. Several studies suggest that chocolate can actually be good for you and your ... Read More

Aquatic communities are the world's major water habitats. Like land biomes, aquatic communities can be subdivided based on common characteristics. Two common designations are freshwater and marine communities. Read more.

The word tissue is derived from a Latin word meaning to "weave." Cells that make up tissues are sometimes "woven" together with extracellular fibers. There are four main categories of ... Read More

A baby born with two heads underwent surgery to have the second head removed. Rebecca, the seven week old baby, had a condition known as craniopagus parasiticus. She was born ... Read More