Depression Can Affect Memory—and Mirror Signs of Alzheimer's

Extras

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  Solar System: Storm Worlds Preview

  Discover the dramatic forces creating spectacular weather on neighboring planets and moons.

  0:30
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  What Happened to the Hole in the Ozone Layer?

  In the 1980s scientists discovered a crucial part of the Earth’s atmosphere was extremely thin.

  3:13
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  Could Jurassic Park Actually Happen?

  Will we ever get dinosaur DNA?

  1:55
• 

  How Deepfakes Manipulate Reality

  Deepfakes are getting more convincing and easier to make.

  4:22
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  Legacy of the Land

  Native American communities share their culture and knowledge to address climate change.
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  Harvesting the Future

  Ak-chin farming makes desert agriculture possible, and now, those practices help communities today.

  9:22
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  Megadroughts and Indigenous Voices

  The Southwest is in a megadrought, but Native Americans have survived them before.

  7:51
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  Standing the Heat

  Reintroducing the hogan, an earthen Navajo structure that stays cool in the summers without AC.

  8:44
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  Tides of Tradition

  Following a local Unangax̂ hunter, hear the realities of food access in the changing Arctic.

  9:47
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  Keepers of the Coastline

  In Northern California, Marine science is guided by Tolowa Dee-ni' Nation’s community and culture.

  11:56