I have always been perplexed by the vigour with which the Indian government (and in particular its defence establishment) insists that map data should not leave the country. Whenever I’ve spoken with ...

When you see a globe or other representation of Earth, it usually is shown as a perfect sphere, so many people may think that it is. The Earth, though, is what we call an Oblate Spheroid. It is a ...

Many of us struggle to lose weight, or at least struggle to keep our weight within a manageable range. There is no easy way to do this, but could geophysics provide some assistance? The Earth is ...