In some instances, an area may experience more than 250 mm of precipitation annually, but is considered a desert climate because the region loses more water via evapotranspiration than falls as precipitation (Tucson, Arizona and Alice Springs, Northern Territory are examples of this).
In contrast, 1  TED-style talks are personal. The only reason to give a TED talk is that you feel passionately about something, and your sense of purpose creates an energy boost for both you and your audience. 2  TED talks often take us on a journey.
May 12, 2009. TED has earned a lot of attention over the years for many reasons, including the nature and quality of its short-form conference presentations. All presenters lucky enough to be asked to speak at TED are given 18-minute slots maximum (some are for even less time such as 3- and 6-minute slots).