/ Modified may 15, 2022 12:57 p.m.

Episode 821

Invasive Species: Arundo, Agrivoltaics, The Grieving Brain, Birth Witness

Invasive Species: Arundo According to the USDA, there are an estimated 5,000 nonnative plant species NOW established in U.S. ecosystems… Many are invasive species, an alien species whose introduction does or is likely to cause economic or environmental harm or harm to human health. We follow a group working hard to eradicate the Invasive Species... Arundo.

Agrivoltaics Ever notice that many of your plants grow better in the shade than in the direct sun? It’s true, they often do – especially in hot places like Arizona. And researchers at the University of Arizona are busy developing the technology to harness it. It’s called “agrivoltaics,” and involves growing food in the shade of solar panels.

The Grieving Brain What does it mean to grieve? Is it strictly emotional or is there more to grief than just feelings? University of Arizona neuroscientist and psychologist Mary-Frances O’Connor explores the science behind this devastating loss and shares the effects of grief on the brain.

Birth Witness In an excerpt from her poem Birth Witness, poet and Tohono O’odham tribal member Ofelia Zepeda explores the sacredness of her language in the face of government bureaucracy.

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