Hierarchy expansion: When should a startup hire managers?

In a new study out of Vanderbilt Business, Professor Megan Lawrence explores a common challenge growing organizations face: how to continue to organize and coordinate the work of its growing body of employees.

Studying complex criminal networks with new statistical tools

The word "network" has become part of our everyday language, in particular since the rise of online social networks. However, human interactions are not only aimed at sociability and fun. Criminals also interact with each ...

The secret to DNA packing to one-millionth its size

Threads or earphone cables placed in tight spaces get easily tangled. On the contrary, our body's long and loose DNA packs into rod-shaped chromosomes one-millionth its size when the cell divides. If cell division occurs ...

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