Scientists at universities in the UK and the Netherlands have been testing out a system in which algorithms parse through high-resolution images taken by satellites to identify elephants and their locations, which could help protect these endangered pachyderms from poaching and habitat loss. Plus: scientists discover a type of electric eel, previously thought to be loners, hunt - and zap - prey in groups. 
Scientists Use Satellite Imagery to Count Elephants (Interesting Engineering)
Shocking Study Finds Electric Eels Hunt Together (Smithsonian)
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