Lionfish leather and python handbags: These accessories are made from exotic invasive animals

Invasive species are wreaking havoc on ecosystems around the world. US company Inversa is turning some of them into leather, which it says is more environmentally friendly than traditional leather.
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7 newer data science tools you should be using with Python

Already using NumPy, Pandas, and Scikit-learn? Here are seven more powerful data wrangling tools that deserve a place in your ...