Our brain controls the production of certain hormones and neurotransmitters such as melatonin, serotonin and dopamine. Simplistically, one can say that “rest and repair” hormones are activated by a...
Can you imagine a tooth being extracted without an anesthetic? Or, worse, a limb being amputated? A horrific thought! Yet that was what patients had to contend with until the mid 19th century when...
The Centers for Disease Control and Prevention (CDC), headquartered in Atlanta, is often in the news because of its mandate to protect the health of the public. These days it is almost impossible...
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...
Seeing Halloween decorations has been a highlight of an otherwise hectic month. While spider webs and ghosts send shivers down my spine, skeletons and the occasional amputated limb don’t rank high...
The word “quantum” derives from the Latin word for “amount,” so that if something is “quantifiable,” it means that it can be measured. Although I think I have a reasonably good grasp of chemistry,...
The wall above that photocopier located at the University of Pennsylvania may eventually feature a plaque that reads something like “it was here that Katalin Kariko and Drew Weissman met in 1998...
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