In 2014, the Earth's gravity is weakest in southern India (blue spot) and strongest in Iceland and Indonesia (red spots).
Yes, that's what I meant to say. If this seems a bit circular to you, well, it is, but it has deep meaning. 
We humans are confined to our brane.
An explosion in space makes no sound, as there is no air to transmit the sound waves.
The fastest that human spacecraft are likely to achieve in the twenty-first century, I think, is 300 kilometres per second.
