Sci-Tech News Round-Up: Krakatoa, Aarogya Setu, Zoom

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Have a quick roundup of what happened in Science & Technology in India and across the globe by clicking the top stories of the week:

1. 2020 At It Yet Again: Mt Krakatoa Erupts

2. What Does Aarogya Setu App Do?

3. Zoom’s Plethora Of Privacy Issues