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Biology Feature Writer: Diane Ursu

Biology is much more than the study of life, but the mystery and intrigue of life processes and relationships. It encompasses the scientific methods used to study trends and patterns of organism and population growth, mutations, and migratory habits as well as chemical and physiological processes.

What is life? Is a virus alive? What are the properties of water that make it integral to life's existence? How can environmental DNA be used to confirm the migratory patterns of fish? How do invasive species affect ecosystems? Biology at Suite 101 will answer these questions and more!

Read about more exciting biological topics on Diane's blog and share your comments on your favorite blog posts and articles. Email Diane if you would like to learn more about a topic, or if what you are looking for cannot be found.


Feature Writer Articles in Biology

 		Medical Ethics and Treating Jehovah's Witnesses
Jehovah's Witnesses may not have blood transfusions; however, discussion of all options is vital for truly informed consent, and patient confidentiality is necessary.
Jehovah's Witnesses and Blood Transfusions
Although the Watchtower Society banned blood transfusions, it is important to discuss this procedure with Jehovah's Witnesses and maintain strict patient confidentiality.
Milgram Obedience Study and Research Ethics
The Stanley Milgram Experiment demonstrated the likelihood of one's obedience to authority using imaginary shock punishment and raised the debate of research ethics.
Effects of an Invasive Species on an Ecosystem
A newly-introduced species may change an ecosystem by becoming an invasive species that alters the food supply and habitat, leading to diminished native populations.
Genetic Diversity Minimizes DNA Mutations
Sexual reproduction allows for natural selection and genetic diversity which increase the likelihood that progeny may not receive harmful genetic mutations.
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Contributing Articles in Biology

 		Stimulation of a Mouse's Single Neuron
Researchers succedded in stimulating a single neuron in a living mouse. This method enabled them to learn a lot more about a single neuron than we know today
Gene Regulation with Small-RNA
Small RNAs are short RNA molecules used by bacteria to regulate gene expression. sRNAs help them to adapt to new conditions.
How is Gene Expression Regulated?
Proteins are the key factors taking actions in living cells. Their level should be kept constantly, this is done by incorporating several modes of regulation.
Birth Order
Birth order can help determine the personality of individuals.
Mushroom Growing Methods
Mushroom cultivation requires knowledge of the natural substrates of fungi. Mushrooms are usually grown in beds of compost, on logs, or in bags of wood chips or sawdust.
Iconic Medical Images
BBC's Radio Four takes a look at medical images which have influenced mainstream culture.
Morchella, the Genus of Morel Mushrooms
Morels are some of the most beloved members of the fungal kingdom. Mysterious in their ways, and delicious, morels are highly sought after by mushroom hunters.
Bear Walkers
A special breed of bear research scientists are known as "bear walkers;" instead of studying the animals from afar, they live and work with bears on a day-to-day basis.
Polyploidy – Would Sir Joseph Banks Approve?
If Sir Joseph Banks were to visit a suburban nursery today, would he appreciate the wide range of hybrid plants that have been derived from those he originally collected?
Ganoderma lucidum, the Reishi Mushroom
The reishi mushroom (Ganoderma lucidum) is a beautiful fungus. The mushrooms, reishi extract, and Ganoderma coffee are popular supplements taken for immune system health.
The Real Vampire Bat
Feeding on the blood of living creatures makes these vampires the perfect subjects for horror novels. These little suckers can fly and attack in the dark of night.
Teaching Membrane Biology with Meringue
Students can learn biology through food preparation. Meringue bubbles are like inside-out cell membranes. Water surface tension forms bubbles and cell membranes.
GM Crops: Food of the Future?
GM crops could potentially provide environmental benefits, but their actual effectiveness is still subject of scientific debate.
Flammulina velutipes, the Enoki Mushroom
Distinctive in appearance, the enoki mushroom is valued not only for its looks. Enokis can get large in nature, but are kept small and slender when cultured.
Sabouraud Dextrose Agar
Sabouraud dextrose agar is used for growing fungi. It is recommended for skin and nail fungi, as well as other species that are human pathogens.
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