A collection of Jupyter notebooks created for research and teaching across several fields in scientific computing, data analysis and related fields is available here:

https://github.com/ipython/ipython/wiki/A-gallery-of-interesting-IPython-Notebooks

Jupyter and IPython documentation

The official Jupyter Notebook documentation:

https://jupyter-notebook.readthedocs.io/en/latest/

The documentation for IPython, the kernel used to create Python-based notebooks:

http://ipython.readthedocs.io/en/stable/index.html

For a list of packages useful for scientific computing and data analysis (and links to the relevant documentation), see here:

https://www.scipy.org/about.html