Advertisemen
Before we colonise Mars, let's look to our problems on Earth
http://ift.tt/eA8V8J
The trillions of dollars spent by the likes of Elon Musk to commercialise space travel and set up colonies on other planets would be better used defending the lives of more than 7 billion humans on Earth, writes Andrew Glikson.
http://ift.tt/1c2UNys
December 28, 2017 at 08:01PM
Advertisemen