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...
Helios, the sun god in Greek mythology, rode a chariot across the sky, east to west, sunrise to sundown, year round, as dusk bestows silvery moonlight accompanied by stars that extend to infinity...
The link between cigarette smoking and lung cancer is widely acknowledged. But not everyone who smokes gets lung cancer and not everyone who gets lung cancer is a smoker. How does one contract the...
To the surprise of many, however, cancer cells are defective at producing the very fuel they need to grow and spread, but manage to overcome the innate “disability” and out-compete normal healthy...
The Gulf of St Lawrence is a large area of saltwater and is connected to the Atlantic Ocean by the Cabot Strait in the southeast and the Strait of Belle-Isle to the north. Surrounded by land masses...
British Petroleum [BP] is a giant, global fossil fuel [oil and gas] company. Its 2019 sales were >$282 billion dollars, and with headquarters in London has over 70,000 employees worldwide. It...
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