WEDNESDAY, JANUARY 5

***PREMIERE EPISODE*** Naked Science: "Earth's Core"

at 10:00 p.m. ET/PT

Thousands of miles below its surface, the Earth's core generates
a protective magnetic shield around the planet. Scientists have
uncovered evidence that this armor could be fading. Are weak spots
in the Earth's shield a sign that our planet's magnetic poles are
on the verge of flipping?

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SATURDAY, JANUARY 8
Naked Science: "Earth's Core" at 8:00 p.m. ET/PT
Thousands of miles below its surface, the Earth's core generates a
protective magnetic shield around the planet. Scientists have
uncovered evidence that this armor could be fading. Are weak spots
in the Earth's shield a sign that our planet's magnetic poles are
on the verge of flipping?

Thrill Zone: "Megalightning" at 9:00 p.m. ET/PT
From hundreds of flashes of light happening at once to lightning
six times more powerful than normal, discover entirely new forms
of lightning known as sprites, positive lightning and giant jets,
and their potential dangers to air passengers.

"Inside the Tornado" at 10:00 p.m. ET/PT
A National Geographic-sponsored team of storm chasers and
photographers manages to position an armored device with cameras
in the direct path of a tornado near Manchester, South Dakota.
See this dramatic story of science in the field and the
extraordinary results of the passionate pursuit of tornado science.

Visit the National Geographic Channel home page. >>

http://ng.chtah.com/a/tBB2WT$ASJ4TXAUkyshAOOv6R.ASJ-ROi0/ngs17