In «The Martian,» an adaption of Andy Weir's book of the same name, we follow Astronaut Mark Watney as he is stranded alone on Mars and must survive on the planet until NASA can mount a rescue (which would take years). (businessinsider.com)
Some of the oldest minerals surviving on the planet are crystals of zircon that are at least 4.2 billion years old. (sciencenewsforstudents.org)
Fifteen years into the 21 st Century and we are about to be seven billion people surviving on a planet whose resources may only sustain five million... (mindbodygreen.com)