Myocardium is the muscular middle layer of the heart wall that stimulates heart contractions.

Researchers have bioengineered an E. coli bacterium that can be used as living photographic film.

Ever wonder why today's turkeys are so much bigger than they used to be? Discover how diet and vaccinations have made turkeys bigger and healthier than ever.

Microtubules are hollow rods which help to support and shape a cell. For more information on biology terms, visit the: Biology Glossary.

Scientists from Johns Hopkins have fused lung cells and heart muscle cells to create a biopacemaker.

Genes are units of heredity information that consist of DNA and are located on chromosomes. For more information on biology terms, visit the: Biology Glossary.

Do you know which cellular structure houses DNA and controls the cell's growth and reproduction? Test your knowledge of eukaryotic cell anatomy. Take the Cell Anatomy Quiz!

Scientists have discovered the fossil remains of an ancient marine crocodile. Unlike crocodiles of today, this creature had paddle-like limbs and a fish-like tail.

The left and right subclavian arteries supply oxygenated blood to the arms.

A team of scientists from the National Institute of Agrobiological Sciences in Japan has genetically modified rice in an attempt to alleviate allergic responses to Japanese cedar pollen.

Cytokinesis is the division of a cell into two distinct cells. In mitosis, cytokinesis begins in anaphase and continues through telophase. For more information on cells, visit the: Biology Glossary.

Researchers from Washington University School of Medicine in St. Louis have recorded high frequency sounds produced by male lab rats. The males seem to produce these sounds when female rats ... Read More