We often use the word crutch rather unkindly. A habit becomes “a crutch”; an easy solution is dismissed as “just a crutch.” The metaphor suggests weakness or dependence, and it…
For thousands of years, wheat and corn have competed without actually meeting. Wheat built civilizations across Eurasia and North Africa. Corn—or, more properly, maize—did much the same across the Americas.…
Hunger is difficult to portray Postage stamps usually depict the positive, and shy away from negative emotions. Hence, hope is more frequent theme, than despair. Further, hunger is difficult to…
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…
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…
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…
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;…
Gluten causes a withering disease Gluten, is a naturally acting protein. It is present in wheat, and some other grains such as barley, rye and even in oats. We have…
Argentina (currently known as Argentine Republic) was established as a Spanish colonial territory. In 1816, the country declared its independence. Named after a precious metal, silver the country is well…