Lo ngu-Otta Helen Zille owazalwa ngomhla we-9 kweyoKwindla ngo-1951. Uyinkulumbuso kwiPhondo lasentshona-Koloni, ukwalilingu lasePalamente kwakweli Phondo. Le nzwakazi ikhokhela umbutho weqela eliphikisayo i-Democratic Alliance. Ngaphambili lo kaZille wayengu-Mayor wesixekokazi iKapa. Iiminyaka yoo-1970, yiminyaka yokuvuthwa kwengcinezelo apho kwakuqhum'uthuli. Kungelo xesha kanye lo kaZille wathi wazibonakalisa khona, eyintatheli ephum'izandla yephepha elalibizwa ngokuba yi-Rand Daily mail, ekwalwa nocalu-calulo olwalukho emZantsi Afrika. Kaloku waba ngomnye wabantu abadiza okokuba lwalukho unyawo lwemfene ekuswelekeni kukaSteve Biko nowayelitsha ntliziyo lokulwa negcinezelo ekwakhokhela umbutho wakhe we""Black Consciousness. ngeminyaka yoo-1980, uHelen Zille wasebenzela iqela ekuthiwa yi-""Black Sach"" namanye amaqela. Kuyo yonke leminyaka ekulawula ngayo urhulumente woluntu, uZille ebesoloko ekho esebenza. Ngo-1999-2004 wayeyinkulumbuzo yezemfundo kurhulumente wePhondo laseNtshona Koloni, ngo2004 - 2006 wabalilungu lasePalamente wabangusodolophu okanye yi-Meya, ngo-2006-2009.sithetha nje lo kaZille uyiNkulumbuso yaseNtshona-Koloni, sikhundla eso wasifumana ngo-2009.

Ukuba abantu bongeza inani eli-negative kwelinye inani, oko kuyinto enye nokususa okanye ukuthabatha kweli nani li-positive ngokwale ndlela alandelelana ngayo amanani (ukulandelelana kwamanani kubizwa ngokuba zii-numerals). Umzekelo, 5 + (−3) is the same as 5− 3, and equals 2. Khumbula ke, xa inani lingenaphawu lungu +, loo nto ithetha ukuba inani li-positive. Kodwa lona eli-negative liyakuhlala linophawu elingu -

ezinye iintlobo-ntlobo ezikrokrelwa ukuba zifikelela kwiminyaka yobudala enomahluko, iquka imithi yaseYurophu i-Yew iTaxus baccata (ingangaphaya kweminyaka engama-2,000 ) kunye neRedcedar yasentshona iThuja plicata. Owona mthi mdala iYew waseYurophu nowaziwa kakhulu yiLlangernyw Yew kwiyadi yasecaweni yasekuhlaleni kwaseLlangernyw eMantla eWales noqikelelwa ukuba uphakathi kwama-4,000 ukuya kuma-5,000 ubudala.

Isenzo sokuya ivuleka imithambo yegazi sibizwa ngokuba yi-vasodilation, oku kwenzeka kunceda ukuba umzimba ukwazi ukugxotha amandla obushushu (igama elingu-vas- ngesiLatini lithetha ukuthi ""isitya sokukhongozela"" okanye ""isikhongozeli""). Ukwakheka kwemithambo yegazi kubizwa ngokuba yi-vasoconstriction, inqanda ukuba umzimba ungaphulukani nobushushu.

Ibhunga loKhuseleko leZizwe eziManyeneyo (UNSC) liyinxalenye yamalungu amathandathu aphezulu kuMazwe aManyeneyo. Ibhunga lokhuseleko lijongene nokugcina ucwangco okanye uxolo kunye nokhuseleko phakathi kwezizwe.