The three-week 'Pitch Black' exercise, being hosted by the Royal Australian Air Force (RAAF). The Indian Air Force, with its four Sukhoi-30 MKI fighter jets and two C-17 heavy-lift aircraft, joined the 'Pitch Black' exercise.
Marine biologist Ellen Prager has come out with a book titled "Dangerous Earth: What we wish we knew about volcanoes, hurricanes, climate change, earthquakes and more".
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