Rhinos, tigers and elephants could be saved from poachers by their own heart beats, a global-tracking device and a video camera.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/rhinos-tigers-may-be-protected-heart-monitor-tracking-device
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/bloomberg
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rhinoceros
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tiger
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/endangered-species
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/poaching
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/illegal-trade
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/science-and-technology
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa