Earth's water may have formed deep within mantle: Study
Silica is found in abundance above and below the surface of the Earth in the form of the mineral quartz the Earth's crust is 59 per cent silica.
Feb 05, 2017, 17:14 PM IST'Fourth strand' of ancient European ancestry spread to India
Researchers say this strand of ancestry may have flowed into the region with the bringers of Indo-Aryan languages.
Nov 17, 2015, 15:16 PM IST