You are currently previewing the NEW Scientific American site. Tell us what you think or view the old site

Skip to main content


Ecosystems on the Brink

To keep jellyfish, fungi and other creatures from overtaking healthy habitats, scientists are exploring food webs and tipping points

By Carl Zimmer

How Nerve Cells Communicate

The brain makes sense of our experiences by focusing closely on the timing of the impulses that flow through billions of nerve cells

By Terry Sejnowski and Tobi Delbruck


Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format

Starting Thanksgiving

Enter code: HOLIDAY 2015
at checkout