These extracts say the same thing but using a different sentence structure. Which one do you find easier to read?
The use of polymers to produce prosthetic heart valves that have the positive attributes of current commercial and mechanical valves without any of their drawbacks, has been a focus of research since the 1950s. (34 words)
Since the 1950s, scientists have been trying to use polymers to produce prosthetic heart valves that have the positive attributes of current commercial and mechanical valves, but without any of their drawbacks. (32 words)
The subject matter is the same. The language is equally technical. The sentences are of similar lengths (in fact, both are longer than the maximum length I would recommend for business writing).
Yet most people would say version 2 is far easier to get through. But why? To find out, we need to look closely at the sentence structure of each. (more…)