Regina's Biology Blog January 2005 Archive

Genetic studies and fossil evidence suggest that hippos and whales may be closely related.

Do you know who performed the first successful open heart surgery? Test your knowledge of African Americans in the field of science.

Did you know that polar bears have black skin? Discover fascinating facts about animals.

Researchers unearthed hominid fossils in Ethiopia that are believed to be 4.5 million years old.

The tundra biome is characterized by extremely cold temperatures and treeless, frozen landscapes.

Researchers have discovered that certain chemicals excreted by some humans work as a natural mosquito repellent.

Estonian bears are coming out of hibernation early due to an unusually warm winter.

Do you know which vessels allow water to flow to different parts of a plant? Test your knowledge of plant cells and tissues. Take the Plant Cell Quiz!

Scientists have discovered the fossil remains of a baby dinosaur in the stomach of a mammal. It is believed that both lived about 130 million years ago. The mammal was ... Read More

A gene may help block infection by the AIDS virus.

What are gametes? How are they involved in reproduction? For information on additional genetics terms see: Genetics Glossary.

Researchers from the University of Texas report that human stem cells have been used to repair damaged hearts in mice. In the study, human stem cells developed into cardiac muscle ... Read More

Many treatments and folk remedies are purported to prevent alcohol hangover, shorten its duration, and reduce the severity of its symptoms. Do these treatments work? What is the best course ... Read More