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DNA: How India's M-777 Ultra-light Howitzer will protect the mountains

Watch this special segment and get to know about India's defense new agreement with USA on M-777 ultra light Howitzers which will protect Himalaya from intruders.
To know more watch this full video here.

Now, mobile phones that protect against deadly chemicals

A group of scientists has come up with new functions on cell phones that could protect us from toxic chemicals.