Better, Faster, Cheaper: Measuring the Speed of Science

Are we better off now than we were 10 years ago? Often times this question is answered subjectively and will vary from person to person. We can empirically show how life expectancy has increased over the centuries thanks to advances in the fields of agriculture and medicine, but what about quality of life? Science affects our lives every day, and the general notion is that better science will (eventually) translate into better lives. There is a burning curiosity shared by myself and others to quantify how we have progressed in science over the years:

Click for full article. Source: Bornmann, L. & Mutz, R. (2015). Growth rates of modern science: a bibliometric analysis based on the number of publications and cited references. Journal of the Association for Information Science and Technology, 66(11), 2215–2222.

Bornmann and Mutz demonstrate in the image shown above how we have been doubling scientific output every nine years since the 1940s. That is not to say that we have become twice as smart or efficient; this phenomenon could be partially fueled by a desire to gain prestige through a high number of publications. To better assess the topic of efficiency, we can measure how long it takes to perform specific procedures and how much they cost. This article compares the rate of improvement for DNA sequencing, PCR, GC-MS and general automation to the rate of improvement for supercomputers and video game consoles.

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