Insights into their Function and Clinical Applications Acetylcholine (ACh) is a neurotransmitter in both the peripheral nervous system (PNS) and central nervous system (CNS). In the PNS, ACh activates muscles and is a major neurotransmitter in the autonomic nervous system. In the CNS, ACh tends to cause excitatory actions. ACh … Continue reading
Attacking the Root of the Problem Stem cells, often associated with embryos and new life, have recently been implicated as one of the leading causes of death. A wave of papers published in the last five years suggest that renegade stem cells are the driving force behind many cancers. While … Continue reading
Directing the Supply Chain: Applying Discoveries in Angiogenesis to Cure Human Diseases Angiogenesis, the physiological process of new blood vessel growth, has received generous amounts of attention and funding in the last decade. Angiogenesis has captivated the scientific community because of its broad implications for treating some of the deadliest … Continue reading
A Wake-Up Call for Bioethics You feel an unsettling nausea wash over you as you wait in line for medication. Your joints start to ache; the disease has already begun to burn through your ligaments. You shudder as you watch the rash on your hand fester with the syphilis bacteria. … Continue reading
In recent years, educators and scientists have become increasingly aware of the fact that science remains intimidating or inaccessible to the general population. When Pamela Hines, senior editor of Science, visited Dartmouth in spring 2008, she encouraged guests at the Karen E. Wetterhahn science symposium to consider improving science education. … Continue reading