greek mythology: predating zeus, gaia rose with her chesty bosom from the chaos, and with the aid of ouranus, created the world and birthed really cool kids, like the 12 titans.
modern religion: in some neopagan circles, gaia is celebrated as the earth mother and worshipped as the goddess.
other cultures: norse mythology had jord (also known as hlódyn or fjörgyn), mother of thor. lithuanian mythology had Žemė, who is daughter of sun and moon. the earth goddess in pacific cultures was represented in many different forms. maori's creation myth for example, had papatuanuku, who was the partner of ranginui, the sky father.
ecology: james lovelock revived gaia in 1969 with the gaia hypothesis, which says that the earth is a real living thing itself and should be treated as an organism.
acronym: grantley adams international airport (barbados)
crater: gaea is a crater on jupiter's third moon, amalthea
chess: gaia is an amateur chess engine written in C++.
music: olivia newton-john and mägo de oz both released albums with the name gaia.
vila nova de gaia: city in portugal that has over fifty wine "lodges". the duke of wellington planned his attack on the french here in 1809.
space astronomy mission: gaia is destined to launch in 2011, by the european space agency.
marvel comics: gaia is an alien mutant
not to be pronounced: gay... you fucktard