Brains Are Not Required When It Comes to Thinking and Solving Problems--Simple Cells Can Do It
Tiny clumps of cells show basic cognitive abilities, and some animals can remember things after losing their head
![Brains Are Not Required When It Comes to Thinking and Solving Problems--Simple Cells Can Do It](https://static.scientificamerican.com/sciam/cache/file/0B155646-0D3C-4284-A0AB8EE80631BBA1_source.jpg?#)
Tiny clumps of cells show basic cognitive abilities, and some animals can remember things after losing their head
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