Series:

Thumbnail	Title	Series Number	Date	Description
	Pine point : origin and exploration		27 May 1984
	Ore genesis		29 April 1984
	Energy from the crust : uranium		19 August 1984
	Energy resources : coal		22 July 1984
	Pine point : ore to metal		10 June 1984
	Energy resources : petroleum		05 August 1984
	Energy : the alternatives		02 September 1984
	Control of body temperature		1985	Newborrns; The Thermostat; Desert Dwellers
	A winter sleep		11 May 1985	By sleeping, hibernators don't escape the cold, they either have to spend their precious reserves...
	The sunbaskers		27 April 1985	Despite the inability to generate heat themselves, reptiles are by no means cold-blooded. even in...