Tag: #knowledge

The technology you’ll use and abuse

Someone on the radio was saying the other day that we humans are not biologically ready for all the technology that we’ve developed in the last couple of hundred years. They said that this is especially true of technologies like the internet, where a ton of information is available at our fingertips, but our brains are nowhere near ready to…

The “Brave New World” of learning

I was sitting at a class in which I’m a teaching assistant, and I counted the number of students using a laptop to take notes and keep up with the lecture. Out of 30 students in the class, 27 of them had a laptop open (not necessarily to class-related materials) and an additional two had a tablet of some sort.…

Why the two polio vaccines?

Something that I had known for a while but never really understood why is the two-vaccine approach to polio immunization. I knew that Salk and Sabin had developed the two vaccines in the 50’s. Salk’s vaccine is injected, made up of three dead (inactivated) viruses. Sabin’s vaccine is ingested, made up of three live but attenuated viruses. But why do…