deletions | additions       diff --git a/untitled.tex b/untitled.tex  index 1d00bd2..7a6d8d5 100644  --- a/untitled.tex  +++ b/untitled.tex 
...
\item Science and technology increasingly affect modern society.   \end{enumerate}  The first trend is easy to understand. Let's think of the cumulative knowledge of humankind as a sphere. Scientists work at the surface "pushing the boundaries", boundary",  discovery increases the volume. As the sphere's volume grows, so does its surface area; this requires an ever increasing number of researchers to tessellate the expanding cutting-edge of science. Moreover, contrary to a few hundred years ago when the sphere of knowledge was so small that a single person could master large chunks of it, nowadays no human can understand the details of more than a few subtopics of research. To capture the bigger picture and understand very complex research questions, collaborative efforts combining together a number of highly specific expertises are required.