Photosynthesis Quiz
Sunday July 31, 2005
Did you know that plants are not the only organisms capable of photosynthesis? Test your knowledge of photosynthesis. Take the Photosynthesis Quiz!
Growing Bones for Grafts
Friday July 29, 2005
Researchers have developed a new method for growing replacement bones for bone injuries. This method involves growing the replacement bone in a different region of the body.
Heart Anatomy: Coronary Artery
Wednesday July 27, 2005
The coronary artery supplies oxygenated blood to the heart muscle. This artery branches into the right coronary artery and the left main coronary artery.
No Sweets for Cats
Wednesday July 27, 2005
Researchers have reportedly discovered a dysfunctional gene in felines that prevents cats from tasting sweets. This gene has also been found in large felines such as tigers and cheetahs.
Brain Anatomy: Meninges
Thursday July 21, 2005
The meninges are membranes that cover and protect the brain and spinal cord. The meninges consist of the pia mater, dura mater, and the arachnoid.
Aging and mitochondrial mutations
Tuesday July 19, 2005
A study suggests that aging may be caused by a build up of mitochondrial cell mutations, as opposed to the release of free radicals. These mutations lead to apoptosis or ... Read More
Heart Anatomy: Carotid Artery
Sunday July 17, 2005
The carotid artery supplies oxygenated blood to the head and neck region of the body. This artery branches into internal and external carotid arteries.
More similarities between dinosaurs and birds
Thursday July 14, 2005
A comparison of bones from dinosaurs and modern birds indicates that dinosaurs may have had respiratory systems similar to modern birds. Dinosaurs were thought to have had respiratory systems that ... Read More
Brain Anatomy: Corpus Callosum
Tuesday July 12, 2005
The corpus callosum is a thick band of fibers that connects the left and right hemispheres of the brain.
Human footprints preserved in volcanic ash
Monday July 11, 2005
Scientists have uncovered fossilized human footprints in Mexico that are believed to be 40,000 years old. This discovery suggests that humans arrived in the Americas much earlier than previously thought.
Brain Anatomy: Broca's Area
Friday July 8, 2005
Broca's area is the region of the brain that is involved in understanding language and speech production. It is located in the left frontal lobe of the brain.
Newly discovered invertebrate catches fish using red light
Friday July 8, 2005
Scientists have discovered a new invertebrate species, related to jellyfish, that uses red fluorescent light to attract fish. The animal then captures its prey with tentacles that contain stinging cells.
Bioengineered plants and pollution
Wednesday July 6, 2005
Researchers are planting genetically engineered plants in the hopes that they will absorb pollutants from the air and soil.
Heart Anatomy: Ventricles
Friday July 1, 2005
The ventricles are the lower two chambers of the heart. They are separated into the left and right ventricles by the septum.

