The poem, 鈥淢y country鈥, by Dorothea MacKellar, is recited by every preschooler in Australia. One line is of particular relevance:聽
鈥淎 land of droughts and flooding rains鈥.聽
Is there something in your past to put you on a path to become an educator? When I was a teenager I did one of those guidance counsellor tests which suggested I should become one. I laughed. But a...
Here鈥檚 a tip. If you don鈥檛 like blood, don鈥檛 go into dentistry. Dentists see a lot of blood, and often get their (gloved) hands full of it. Bleeding is common and of little concern during many...
In 1960 Willard Frank Libby was awarded the Nobel Prize for his method of using carbon-14 to find the age of objects ranging from ancient bows and arrows to trees buried in glacial ice. Since then,...
The 2022 Nobel Prize in chemistry is shared by Drs. Carolyn R. Bertozzi, Morten Meldal, and Barry Sharpless. Dr. Bertozzi鈥檚 pioneering innovation was built upon a path paved by Dr. Sharpless....
I have spent many years teaching chemistry to high school students and always enjoyed carrying out demonstrations. For students, watching chemicals perform their magic live is far more memorable...
Foreign invaders, be they molds on walls, toxins in polluted air, contaminants in food, viruses, bacteria, parasites, or fungi, represent a threat to our health. Luckily, our body has a way of...
By 1878, Louis Pasteur had formulated his germ theory of disease and had turned his attention to chicken cholera, a problem that plagued the French poultry industry. He managed to isolate a microbe...
Dr. Katsusaburo Yamagiwa, a Japanese pathologist at Imperial Tokyo University, and his research assistant, Dr. Koichi Ichikawa, carried out an experiment in which they repeatedly painted the inner...