%%% fill the empty {} with the corresponding text (see below)
%
\begin{hereandthere}%
{}%
{} 

\end{hereandthere}



%%% what goes where?
%
% \begin{hereandthere}%
% {witty title}%
% {source} 
% the actual item
% \end{hereandthere}



%%% example
%
% \begin{hereandthere}%
% {The oldest cities?}%
% {Paul Murdin, \textit{The Universe: A Biography} (Thames \& Hudson),
% p.~230} 
% ...mega-flood from the North Sea when the land bridge from Dover in
% England to Calais in France collapsed. 
% \end{hereandthere}