Researchers have discovered that the effects of skin aging can be reversed by shutting off a particular protein. The study, conducted on mice, showed that when the NF-Kappa-B protein is de-activated, ... Read More

Constructing DNA models is a great way to learn about DNA structure, function, and DNA replication. DNA contains the genetic information for the reproduction of life. Its shape has most often ... Read More

Bison on the GrasslandPhoto: Jesse Achtenberg/USFWS Temperate grasslands and savannas are two types of grassland biomes. Like savannas, temperate grasslands are areas of open grassland with very few trees. ... Read More

The human body is made up of several organ systems that work together as one unit. There are ten major organ systems of the body. Included in these systems are ... Read More

The fossil remains of a sea scorpion discovered in Germany suggest that around 390 million years ago, these creatures were longer than a man. Analysis of the fossilized claw that was ... Read More

Thanksgiving is a time to give thanks and eat turkey. For several decades researchers have been using science to build a better Thanksgiving turkey. Today's big turkeys owe their size ... Read More

A chromosome is a long, stringy aggregate of genes that carries heredity information. Homologous chromosomes are chromosome pairs that are similar in length, gene position, and centromere location. Human X and Y ... Read More

Researchers have cloned embryonic stem cells from rhesus macaque monkeys. The cloned stem cells were created by a cloning technique called somatic cell nuclear transfer. This type of cloning refers to the ... Read More

The principles that govern heredity were discovered by a monk named Gregor Mendel in the 1860's. He discovered some of these principles while working with pea plants. Since pea plants ... Read More

Who wouldn't like to have glowing, healthy looking skin? Dermatologists have determined that diet can have an effect on the condition of your skin. For healthy skin, the researchers recommend eating ... Read More

We all need energy to function. We get this energy from the foods we eat. The most efficient way for cells to harvest energy stored in food is through cellular ... Read More

Staphylococcus aureus (MRSA) BacteriaPhoto: CDC/Janice Carr Scientists have developed a new vaccine that may help in the fight against staph bacteria and other drug-resistant bacteria. This new type of ... Read More

What is evolution? Biological evolution is defined as any genetic change in a population that is inherited over several generations. These changes may be small or large, noticeable or not so ... Read More

Researchers have discovered the gene that causes a rare condition known as Brugada syndrome. Brugada syndrome causes patients to have sudden heart attacks due to arrhythmia. This condition often goes unnoticed ... Read More