Featured in the newest Dialogue Magazine »

Dialogue 2005 #3

 

Scientists are continually discovering remarkable molecular machines which work inside each living cell. One such machine involves proofreading. Anytime you or I copy a document, it is always a good idea to proofread the script. Since each cell copies or duplicates its own genetic code or DNA before cell division, the cell would be well advised to check the new strands to make sure there are no copying errors. Read the rest of this entry »


Mental Gymnastics

Mental Gymnastics

Intermediate

There is nothing like problem solving to keep one mentally alert. Some people might say that the study of nature is a form of problem solving and so it is. Collecting information is only half the battle. The real challenge is to try to explain the data. Read the rest of this entry »


Imagine That

Imagine That

Introductory

Have you ever discovered that something you thought quite ordinary (or even ugly), was actually a priceless antique? I remember harbouring such sentiments when I was a teenager. Since then, of course, I have learned better how to identify valuable items. Read the rest of this entry »