\documentclass[final,hyperref={pdfpagelabels=false}]{beamer}
\mode<presentation>
{
% \usetheme{Berlin}
\usetheme{Dreuw}
}
\usepackage{times}
\usepackage{amsmath,amsthm, amssymb, latexsym}
\boldmath
\usepackage[english]{babel}
\usepackage[latin1]{inputenc}
\usepackage[orientation=portrait,size=a0,scale=1.4,debug]{beamerposter}
\usepackage{lipsum}
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\graphicspath{{figures/}}
\title[Fancy Posters]{Making Really Fancy Posters with \LaTeX}
\author[Goo \& Lee]{SW Lee and CS Kim}
\institute[CNU \& CNU]{Chungnam National University }
\date{Jul. 31th, 2007}
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\begin{document}
\begin{frame}
\begin{block}{\large Abstracts}
\lipsum[1-2]
\end{block}
\begin{block}{\large Font size}
\centering
{\tiny tiny}\par
{\scriptsize scriptsize}\par
{\footnotesize footnotesize}\par
{\normalsize normalsize}\par
{\large large}\par
{\Large Large}\par
{\LARGE LARGE}\par
{\veryHuge veryHuge}\par
{\VeryHuge VeryHuge}\par
{\VERYHuge VERYHuge}\par
\end{block}
\begin{columns}[t]
\begin{column}{.48\linewidth}
\begin{block}{Introduction}
\lipsum[1-2]
\end{block}
\begin{block}{Methods}
\begin{itemize}
\item some items
\item some items
\item some items
\item some items
\end{itemize}
\end{block}
\end{column}
\begin{column}{.48\linewidth}
\begin{block}{Discussion}
\begin{itemize}
\item some items
\item some items
\item some items
\item some items
\end{itemize}
\lipsum[1-1]
\end{block}
\begin{block}{Conclusion}
\begin{itemize}
\item some items and $\alpha=\gamma, \sum_{i}$
\item some items
\item some items
\item some items
\end{itemize}
$$\alpha=\gamma, \sum_{i}$$
\end{block}
\end{column}
\end{columns}
\end{frame}
\end{document}
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