INTRODUCTION—For this special section, our news team tackle mysteries that span the entire history of the universe on scales ranging from our sun and its planetary system to the entire cosmos. Each mystery is sure to be solved largely through astronomical observations—if it is solved: In at least one case, experts aren't sure that a seemingly simple question will ever be answered. Read the Full Introduction >>
Access to this content may require membership or a subscription.
We live in the golden age of genetics, but the fundamental unit of biology is still arguably the cell. Scientists at the 2011 American Society for Cell Biology's annual meeting detailed their latest insights and data.