Human populations originally descended from Africa. From there, several expansions into new habitats and environments resulted in cultural and genetic adaptation. One of these adaptations involved the low-oxygen habitats that occur at high altitude. Residents of the Tibetan Plateau live above 4000m with oxygen concentrations that are nearly half of […]

Researchers recently investigated whether or not coffee prevented the development of high blood sugar (hyperglycemia) in laboratory mice. The mice used in this experiment have a mutation that makes them become diabetic. Read about this research study in this article published on the Science Daily web-site New Evidence That Drinking […]

Assignment: BIOLOGY CONCEPTS AND INVESTIGATIONS. MARIELLE HOEFNAGELS. THIRD EDITION 1. (CHAPTER1) Imagine that you are a scientist working with one of the first research teams sent to the planet Mars. One day, while digging in one of your research plots, you discover something new in the soil. You think it […]

It took the diagnosis of high blood pressure (hypertension) at the age of 45 to shock Max into taking better care of himself. A former college football player, he had let himself go, eating too much junk food, drinking too much alcohol, sitting on his chubby bottom for the majority […]