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Liam Ma asks, "What does it mean to confront a child’s unwritten obligation to family? What does it look like to love and be loved on your own terms?"

Dr. michael gooseff, a hydro-ecologist and dr. byron adams, a biologist. >> anthony: so what are you looking at our here? >> michael: everything that lives here lives in the soil. we study the soil organisms mostly the animals the animals that live here, but also the microbes that those animals feed off of. >> anthony: right. >> byron: this is just a marker that tells us to stay on this trail. these soils are so sensitive that if we walk off the trail or whatever we could completely jack up the soils organisms that live below there. >> anthony: oh like that guy? >> byron: yeah, like that dude ...

Hydro-ecologist, and dr. byron adams, a biologist. >> anthony: so what are you looking at our here? >> michael: everything that lives here lives in the soil. we study the soil organisms mostly the animals that live here, but also the microbes that those animals feed off of. >> anthony: right. >> byron: this is just a marker that tells us to stay on this trail. these soils are so sensitive that if we walk off the trail or whatever we could completely jack up the soils organisms that live below there. >> anthony: oh like that guy? >> byron: yeah, like that dude he's totally -- he's going to get ...

Get wipped out. >> michael: when scientist came and first started studying they thought that these soils were sterile, but we've dispelled that myth when the glaciers melt and the streams flow, that's where you find life. >> anthony: so why is this area look like this? where's the ice? how come the ground is sort of soft and spongy? >> byron: the polar plateau where most of the ice accumulates starts to spread out toward the edges of the continent, but the transantarctic mountains form a barrier. so the ice sheet hits the mountains and can't get through. the other thing is there are these real...