The secret behind self-destructing molecules is that they would require a tiny input of energy to stay in their useful form.
02 Aug 2017 5:51 PM
The rotation of the solar core may give a clue to how the Sun formed.
02 Aug 2017 12:50 PM
The equivalent of 1.7 planets would be required to produce enough to meet humanity's needs at current consumption rates.
02 Aug 2017 8:31 AM