Science
The 90 Second Naturalist
Show all from this expertSharks Vital to Food Chain
Rate this Lesson  Heard 11251 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
90-Second Naturalist for Tuesday, November 23, 2010
1:30   Play    Download
Science
Backyard Astronomy
Show all from this expertLunar Observing Tips and the King of the Planets
Rate this Lesson  Heard 10124 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Welcome in 2009 with the king of the planets, Saturn. Saturn is slowly rising in the east and is gearing up for a great show in the next few months. Lunar observing tips are also discussed.
08:10   Play    Download        AddThis Feed Button
Science
Mr. Wizards Fun Science Facts
Show all from this expertHow does an Atomic Bomb Work?
Rate this Lesson  Heard 6716 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Jason wants to know how an Atomic Bomb works. The reaction is totally different than a chemical explosion and far more interesting. In this lesson we discuss the basics of fission and fussion. (No deep dark secrets were revealed during the recording of this lesson)
09:57   Play    Download        AddThis Feed Button
Science
Mr. Wizards Fun Science Facts
Show all from this expertFireflies - What makes them light up?
Rate this Lesson  Heard 5293 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Joey writes in to ask about Fireflies. What makes them light up? Does the light get hot and does it hurt the firefly? We'll talk about bioluminesence and glowing creatures here.
05:29   Play    Download        AddThis Feed Button
Science
The Discovery Files
Show all from this expertBlindsided -- The Discovery Files
Rate this Lesson  Heard 4943 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
People who have been blind from birth make use of the visual parts of their brain to refine their sensation of sound and touch, according to an international team of researchers led by neuroscientists at Georgetown University Medical Center.
1:30   Play    Download
Science
Backyard Astronomy
Show all from this expertDecember Sky Highlights
Rate this Lesson  Heard 4456 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Pull up a chair and settle in for a great month of astronomy! The sky is quickly changing and our winter constellations are marching in. This month we have a lot of celestial events happening including the moon and pleiades occultation, the Geminid meteor shower pick, and Saturn coming into view early in the morning. Pull up a blanket, a cup of coffee, and your favorite chair for a great month of observing!
09:33   Play    Download        AddThis Feed Button
Science
Mr. Wizards Fun Science Facts
Show all from this expertIs Human Hibernation Possible?
Rate this Lesson  Heard 3853 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Hannah emails us to tell of a recent episode of CSI she just saw that showed Human Hibernation. She wanted to know if what she saw could happen and how Hibernation works.
08:13   Play    Download        AddThis Feed Button
Science
Mr. Wizards Fun Science Facts
Show all from this expertWhy Dont my Farts Smell Like Pizza?
Rate this Lesson  Heard 3766 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Eric emails us to ask us a question about his diet and the production of gas in his system. Ok, to put it simply, he asks Why Don't My Farts Smell Like Pizza?
04:22   Play    Download        AddThis Feed Button
Science
The Discovery Files
Show all from this expertBlow Flies -- The Discovery Files
Rate this Lesson  Heard 3612 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
A Caltech biologist and his research team have identified how the antennae of fruit flies process the feeling of wind and then how the flies respond by standing completely still.
1:30   Play    Download
Science
Backyard Astronomy
Show all from this expertMeteor Showers
Rate this Lesson  Heard 3507 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
We all saw the great show this past weekend. Now we take a look at what exactly causes a shower to happen, as well as some popular showers throughout the year. P.S. Sorry for some of my pronunciations, they may have been a little off :)
10:46   Play    Download        AddThis Feed Button
Science
Mr. Wizards Fun Science Facts
Show all from this expertCooking at high altitude - Why the difference?
Rate this Lesson  Heard 3466 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Myla wants to know why their are different directions for cooking at high altitudes versus low ones. Well Myla, its not just about the time and temperature, its all about the pressure!
05:47   Play    Download        AddThis Feed Button
Science
The 90 Second Naturalist
Show all from this expertSmall Cats
Rate this Lesson  Heard 3416 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
90-Second Naturalist for Monday, November 22, 2010
1:30   Play    Download
Science
The Discovery Files
Show all from this expertVicarious Thrill -- The Discovery Files
Rate this Lesson  Heard 3388 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
A new study out of Harvard and the University of Virginia finds that you are more likely to know what will make you happy if you ask a total stranger. Another person's experiences are often more informative than your own best guess.
1:30   Play    Download
Science
The 90 Second Naturalist
Show all from this expertGiant Bird Fossil - With Teeth
Rate this Lesson  Heard 3276 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
90-Second Naturalist for Friday, November 19, 2010
1:30   Play    Download
Science
Mr. Wizards Fun Science Facts
Show all from this expertNovocaine - How does it work?
Rate this Lesson  Heard 3192 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
I broke a tooth the other day and have a trip to the Dentist scheduled. I hope to get a bit of Novocaine to ease the pain, but how does that work?
05:38   Play    Download        AddThis Feed Button
Science
Backyard Astronomy
Show all from this expertJanuary Sky Tour
Rate this Lesson  Heard 3135 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Join us for the return of Backyard Astronomy and the January Sky Tour! Sorry for the delay, but Backyard Astronomy is back, so tune in and tell all of your friends!!
11:45   Play    Download        AddThis Feed Button
Science
Mr. Wizards Fun Science Facts
Show all from this expertTransparent Aluminum - Science Fact or Science Fiction?
Rate this Lesson  Heard 3120 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Jeff writes in today to discuss his interest in science fiction and in particular the existance of Transparent Aluminum. Can we really create such a material?
10:46   Play    Download        AddThis Feed Button
Science
Mr. Wizards Fun Science Facts
Show all from this expertWhat are Stem Cells? What are they used for?
Rate this Lesson  Heard 3065 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Stem cells have been in the news again with the discovery of a method to create Stem Cells from Skin Cells. Marrisa emails us with several questions about Stem Cells, so lets dig in!
07:52   Play    Download        AddThis Feed Button
Science
The Discovery Files
Show all from this expertWet and Wild -- The Discovery Files
Rate this Lesson  Heard 3053 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Researchers at the University of Nebraska-Lincoln, are studying the physical property of repelling water known as super-hydrophobia. Through computer aided tests, researches pinpointed what allows the surface of some plants and animals to always repel water.
1:30   Play    Download
Science
Backyard Astronomy
Show all from this expertRising and Setting Constellations for September
Rate this Lesson  Heard 3048 times

Rate Lesson 1/5Rate Lesson 2/5Rate Lesson 3/5Rate Lesson 4/5Rate Lesson 5/5
Tonight we talk about my favorite rising constellation of Orion, and the soon to set constellation of Hercules. We also cover a few deep sky objects and the autumnal equinox! So sit back and enjoy another edition of Backyard Astronomy!
10:50   Play    Download        AddThis Feed Button