Friedrich Loeffler: How a physician’s curiosity helped create virology
Imagine being told that an infectious disease is caused by something that cannot be seen, cannot be grown by the methods available to you, and can pass through a filter…
From pressure to the first cry and Uruguayan link
Making the Invisible Visible Uruguay is famous for football and Cowboys. So it was intriguing when I came across two postage stamps from the country, issued in 1998 celebrating its…
The Evolution and Use of Laser Technology in Healthcare
When most of us hear the word laser, we may think of science-fiction movies, futuristic weapons, or a bright red beam of light. But lasers have quietly become an important…
When every urine was destined to be boiled
As a doctor in training, one of my tasks was to boil urine. Medical wards used to have a row of glass test-tubes to hold urine, and every morning we…
Carotenoids, Vitamin A and substances that give plants its colors
Fruits and flowers are colorful, quite unlike leaves that have shades of green. While green color comes from chlorophyll; shades of orange, yellow, and red come from carotenoids and betalains;…