This study guide introduces you to the basics of meiosis and the meiotic process. Meiosis is the process of cell division that occurs in sex cells. It produces gametes with ... Read More

Scientists have used soil bacteria to convert polystyrene foam into biodegradable plastic. The researchers first converted the StyrofoamTM into styrene oil. Then they introduced the oil to Pseudomonas putida bacteria, which ... Read More

DNA is housed within the nucleus of our cells. DNA can be extracted from these cells by certain methods. This how-to provides step-by-step instructions for extracting DNA from cheek cells. When ... Read More

The epicardium is the outer layer of the wall of the heart. It consists of connective tissue covered by epithelium. The epicardium is also known as the visceral pericardium. Epicardium provides an ... Read More

A new study published in the Feb. 16 issue of the journal Nature, reveals methods used by flowering plants to prevent inbreeding. According to the study, plants have molecular self recognition ... Read More

The endocardium is the inner layer of the heart. It consists of epithelial tissue and connective tissue. Endocardium lines the inner cavities of the heart, covers heart valves, and is continuous ... Read More

Meiosis is a two-part cell division process in organisms that sexually reproduce. Meiosis II is the second part of the meiotic process. Much of the process of meiosis II is ... Read More

Scientists have discovered the fossil remains of the oldest known tyrannosauroid. This new species of tyrannosaur was found in China and named Guanlong wucaii. The findings from this discovery ... Read More

African Americans have made significant contributions to various areas of science. Discover facts about African American scientists and learn about the contributions they have made to science and humanity. Do you ... Read More

Scientists have produced the first three dimensional images of fossils encased in rock. The scientists used Raman spectroscopy and confocal microscopy techniques to accomplish this task. Raman spectroscopy enabled the ... Read More

The cerebral cortex is the outermost layer of the cerebrum. It is divided into four main lobes or regions. These lobes are called the frontal lobes, occipital lobes, parietal ... Read More

Do you know what xenotransplantation means? Biology can be filled with words that seem incomprehensible. By "dissecting" these words into discrete units, even the most complex terms can be understood. ... Read More