The government announced a ban on dietary supplements that contain ephedra.

Constructing DNA models is a great way to learn about DNA structure, function, and replication.

Have you ever heard of an animal called a Lutra lutra? In the Scientific Name Game your mission is to identify the correct organism for the given scientific name.

CDC specialists answer common questions about the flu.

Many biology students often wonder about the meanings of certain cell biology terms and words. What is a nucleus? What are sister chromatids? The Biology Glossary is a good resource ... Read More

Patients who have laparoscopic appendectomies tend to recover faster.

Researchers identify the immune mechanism that can make shy people more prone to infection.

Do you know which organ system contains the largest organ in the body? Test your knowledge of human organ systems. Take the quiz.

Cloning techniques are laboratory processes used to produce offspring that are genetically identical to the donor parent. Clones of adult animals are created by a process called somatic cell nuclear ... Read More

Researchers have identified a single protein in the brain that accounts for most of alcohol's intoxicating effects.

As a plant matures, its cells become specialized in order to perform certain functions necessary for survival. Some cells synthesize and store organic products, while others help to transport nutrients ... Read More

Researchers have discovered the remains of what is believed to be the oldest male fossil in the fossil record. The creature, Colymbosathon ecplecticos, was preserved in mineralized volcanic ash.

Do you know which land biome is home to the majority of plant and animal species in the world? Test your knowledge of the world's land biomes. Read more.

Nucleic acids allow organisms to transfer genetic information from one generation to the next. There are two types of nucleic acids: DNA and RNA. Read more.