Science

1:45pm

Fri September 27, 2013
The Two-Way

Freighter Makes First-Of-Its-Kind Transit Of Northwest Passage

Originally published on Fri September 27, 2013 4:17 pm

A Danish shipping company announced Friday the first-ever voyage of a large commercial freighter through the Northwest Passage — a journey made possible by the disappearance of Arctic ice due to global warming.

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12:46pm

Fri September 27, 2013
Music

Les Paul: Inventor and Innovator

Transcript

IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow, broadcasting today from Madison, Wisconsin, with a question for our audience, Wisconsinites, Wisconsinians(ph), whatever you prefer.

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12:23pm

Fri September 27, 2013
Food

Food Fermentation: The Science of Sausage and Cheese

Transcript

IRA FLATOW, HOST:

This is SCIENCE FRIDAY. I'm Ira Flatow. We're here at the Wisconsin Science Festival at the Institute for Discovery in Madison and talking about a trip to America's dairy land, of course. Inevitably you're going to talk about food and fermentation. In the form of Wisconsin, it's famous for fermentation, one of the oldest ways of preserving food. It's also a way to get really unique flavors.

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12:19pm

Fri September 27, 2013
Research News

World's Largest Neutrino Telescope Buried in Antarctic Ice

Transcript

IRA FLATOW, HOST:

This is SCIENCE FRIDAY, I'm Ira Flatow. We're broadcasting from the Wisconsin Institutes for Discovery in Madison, home this week of the Wisconsin Science Festival. Astronomers and astrophysicists have traditionally, for centuries, looked upwards to the sky to learn more about the universe. We've launched telescopes into space. We have sent probes beyond our solar system to study dark matter, colliding galaxies, how the planets formed.

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12:15pm

Fri September 27, 2013
Environment

Saving Wild Places in the 'Anthropocene'

Transcript

IRA FLATOW, HOST:

We've been talking about the Stone Age but now we're living in what some scientists are calling the anthropocene. Maybe you've never heard of that word. It's a time where everything on the planet is touched by humans in some way, whether it's directly, like clear cutting forests or suppressing fires, or indirectly by the effects of climate change. Is this, as the environmentalist Bill McKibben wrote, oh, 20 years ago, is this the end of nature?

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12:11pm

Fri September 27, 2013
Humans

Modern Humans Still Evolving, and Faster Than Ever

For those who think the forces of natural selection no longer apply to modern humans, paleoanthropologist John Hawks would urge you to reconsider. In recent times — that's 10 to 20 thousand years, for a paleoanthropologist — Hawks says we've picked up genetic variations in skin color, and other traits that allow us to break down starch and digest cheese.

9:48am

Fri September 27, 2013
TED Radio Hour

Everything Is Connected

Originally published on Tue October 8, 2013 10:32 am

Every species has its own important role in maintaining nature's balance.
Thomas Barwick Getty Images
  • Listen to the Episode

"The more humble we are in the face of our experience with the natural world ... the more we're going to find a healthy coexistence with it." — Bernie Krause, bioacoustician

Every species plays a crucial role in our natural world. But when humans tinker with the equation, a chain reaction can cause entire ecosystems to break down. In this hour, TED speakers explain how everything is connected in nature, with some bold ideas about how we can restore the delicate balance and bring disappearing ecosystems back.

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9:45am

Fri September 27, 2013
TED Radio Hour

What Listening To Nature Teaches Us About Changing Habitats

Originally published on Thu December 26, 2013 2:25 pm

"In habitats that are pretty much untouched, the sound is organized and structured in such a way so that each critter establishes its own bandwidth" — Bernie Kraus
James Duncan Davidson TED

Part 3 in the TED Radio Hour episode "Everything Is Connected."

About Bernie Krause's TEDTalk

Bernie Krause has been recording the wild — the wind in the trees, the chirping of birds — for 45 years. He has seen many environments radically altered by humans, sometimes even by practices thought to be environmentally safe.

About Bernie Krause

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9:45am

Fri September 27, 2013
TED Radio Hour

What Lessons Came Out Of Biosphere 2?

Originally published on Fri February 7, 2014 1:50 pm

Aerial view of Biosphere 2, where Jane Poynter lived for two years and 20 minutes.
Courtesy of Jane Poynter

Part 2 of the TED Radio Hour episode "Everything Is Connected."

About Jane Poynter's TEDTalk

Sustainability consultant Jane Poynter tells her story of living two years and 20 minutes in Biosphere 2, a hermetically sealed environment in Arizona. The experience provoked her to explore how we might sustain life in the harshest of conditions.

About Jane Poynter

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9:45am

Fri September 27, 2013
TED Radio Hour

Why Are Bees Disappearing?

Originally published on Thu December 26, 2013 2:25 pm

"Bees are vital to the pollination and production of our fruits and vegetables ... unfortunately, they're all in trouble" — Marla Spivak
James Duncan Davidson TED

Part 4 of the TED Radio Hour episode "Everything Is Connected."

About Marla Spivak's TEDTalk

Honeybees have thrived for 50 million years. So why have certain colonies started dying in droves in recent decades? Researcher Marla Spivak reveals four reasons with tragic consequences.

About Marla Spivak

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