The Watson Studio account doesn't provide tooling for creating a Data Science project. Instead using the IBM Cloud Catalog to create the service instance for Watson Studio needs be used to be able to see the option for Data Science projects.
closing this as the instructions have been updated since, but we'll be sunsetting this pattern as Watson Analytics no longer provides a free tier friendly option.
When signing up for Watson Studio using the link in:
https://github.com/IBM/visualize-food-insecurity?cm_sp=Developer-_-create-visualizations-to-understand-food-insecurity-_-Get-the-Code#1-sign-up-for-the-watson-studio
The Watson Studio account doesn't provide tooling for creating a Data Science project. Instead using the IBM Cloud Catalog to create the service instance for Watson Studio needs be used to be able to see the option for Data Science projects.