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PODCAST

TreeNote

TreeNote is a two minute weekly feature from renowned ecologist Dr. Nalini Nadkarni and KUER. Listen on podcast or on YouTube.

science home & garden

All Episodes

2:30

What lichens can tell us about air quality

TreeNote ·

2025/04/10

In a world with an ever-changing environment, how can we know what air quality was like before we kept weather records?

en

2:30

The Controversial Durian Fruit

TreeNote ·

2025/04/03

My husband, Jack, and I have been happily married for 41 years. But one issue we can argue about for hours is the fruit of the durian tree. He loves it. I detest it.

en

2:30

The Tree's Storage Closet

TreeNote ·

2025/03/27

When you look at the cross section of the trunk of an old tree, you see that it has two zones: the sapwood, which is the younger wood that’s closest to the bark and the heartwood, which is the darker, central part of the trunk.

en

2:28

Plywood's surprising history

TreeNote ·

2025/03/20

In the world of design and construction, the modest sheet of plywood has a surprisingly rich history.

en

2:25

Why the quaking aspen quakes

TreeNote ·

2025/03/13

The world of trees creates many superlatives — the oldest tree, the tallest tree — but I bet that the quaking aspen is the world's liveliest tree. Its round leaves flutter in the slightest breeze.

en

2:25

Trees & Wind

TreeNote ·

2025/03/06

We’ve all seen pictures or witnessed firsthand the destructive force of high winds on trees — all those images of crushed homes and downed power lines.

en

2:45

How petrified wood is made

TreeNote ·

2025/02/27

On a recent camping trip in Nevada, I visited a display of petrified wood.

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2:25

It's not Spanish or Moss

TreeNote ·

2025/02/20

On a recent visit to south Florida, I was intrigued to learn about Spanish moss, a plant that looks like wispy gray hair draped in the crowns of live oak and other trees in subtropical woodlands.

en

2:25

How Trees Are Named

TreeNote ·

2025/02/13

I love sequoias, California’s giant, coastal redwoods.

en

2:20

The Wild World of Logger Sports

TreeNote ·

2025/02/06

I once worked as a surveyor for the U. S. Forest Service in southeast Alaska.

en

2:15

Emily Carr: Nature's Artist

TreeNote ·

2025/01/30

On a recent trip to Canada, I was reminded of the life and works of Emily Carr, a cherished figure of Canadian arts and letters.

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2:15

Trees in Fiction

TreeNote ·

2025/01/23

Trees grace many works of fiction. Think of the magnificent treehouse in “The Swiss Family Robinson,” a beautiful, elevated place of safety on a deserted island.

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2:25

The remote dragon's blood tree

TreeNote ·

2025/01/16

Most of us have a bucket list of things we want to do before we die.

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2:15

Elfinwood forests

TreeNote ·

2025/01/09

The next time you glide up a ski lift, look down at the trees that pass beneath your boots.

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2:30

The sanctuary of trees

TreeNote ·

2025/01/02

As an ecologist, I have shelves full of scientific and literary books on trees.

en

2:25

A chocolate tree? Sort of.

TreeNote ·

2024/12/26

No chocolate fan has to wonder why the scientific name of the cacao tree translates from the Greek to "the food of the gods."

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2:25

How a Christmas trees gets its shape

TreeNote ·

2024/12/19

In my family, we always choose a Christmas tree with a top branch that’s long enough to support the cardboard angel our daughter made twenty years ago.

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2:20

Bough of Holly

TreeNote ·

2024/12/12

A familiar Christmas song reminds us to “deck the halls with boughs of holly.”

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2:30

Why Some Leaves Don't Fall

TreeNote ·

2024/12/05

Trees and people share a habit of sometimes hanging on to things that should be shed.

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2:20

The Spicy Allspice Tree

TreeNote ·

2024/11/27

The first time I helped my mom make a pumpkin pie for our Thanksgiving dinner, my job was to retrieve the spices for the filling. I knew what cinnamon and nutmeg were, but what in the world was allspice?

en

119 results

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