The Crow Paradox
Here's a surprise: Wild crows can recognize ind...
| Learned and Instinctive Behaviors |
Apr 25, 2010 at 08:58 PM
| 12035 |
Not Right For WatchKnowLearn
Avg: 4.2 Votes: 7
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Mitral Valve Replacement
Mitral valve replacement in severe rheumatic mi...
| Heart Dysfunctions and Disorders |
Apr 25, 2010 at 08:30 PM
| 3392 |
Not Right For WatchKnowLearn
Avg: 3.0 Votes: 1
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Mitral Stenosis
Mitral stenosis is a vavular heart disease deno...
| Heart Dysfunctions and Disorders |
Apr 25, 2010 at 08:23 PM
| 3290 |
Not Right For WatchKnowLearn
Avg: 3.0 Votes: 2
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Mitral Valve: Normal and Incompetent
Watch as the mitral valve begins normal and pro...
| Heart Dysfunctions and Disorders |
Apr 25, 2010 at 08:17 PM
| 3575 |
Not Right For WatchKnowLearn
Avg: 3.5 Votes: 2
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The Heart Mitral Valve
The mitral, or bicuspid, valve lies between the...
| Structure of the Heart |
Apr 25, 2010 at 08:12 PM
| 1693 |
Not Right For WatchKnowLearn
Avg: 3.0 Votes: 2
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Cardiac Arrhythmia
Animated video about Cardiac Arrhythmia. Short ...
| Cardiac Cycle |
Apr 25, 2010 at 08:02 PM
| 3566 |
Not Right For WatchKnowLearn
Avg: 3.7 Votes: 2
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The Pacemaker of the Heart
The pacemaker of the heart, a tiny area of spec...
| Cardiac Cycle |
Apr 25, 2010 at 07:52 PM
| 3581 |
Not Right For WatchKnowLearn
Avg: 3.0 Votes: 1
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Extinct Animals of the 20th Century
This video shows many animal species which have...
| Endangered Species |
Apr 25, 2010 at 07:48 PM
| 2554 |
Not Right For WatchKnowLearn
Avg: 3.1 Votes: 3
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New Animals Discovered
These animals have only been classified by zool...
| Introduction to Animals |
Apr 25, 2010 at 07:39 PM
| 2401 |
Not Right For WatchKnowLearn
Avg: 3.0 Votes: 4
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The Journey of Your Food
Follow the journey of food through the digestiv...
| Digestion |
Apr 25, 2010 at 07:26 PM
| 8530 |
Not Right For WatchKnowLearn
Avg: 4.2 Votes: 16
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Kangaroo vs. Dingo
A dingo eyes a young kangaroo, and the hunt is ...
| Kangaroos, Koalas, Wallabies |
Apr 25, 2010 at 07:17 PM
| 4093 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 3
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Leopard Seals vs. Penguins
David Attenborough examines the leopard seal an...
| Waders and Waterfowls |
Apr 25, 2010 at 06:44 PM
| 4608 |
Not Right For WatchKnowLearn
Avg: 3.0 Votes: 2
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Deep Muscles of the Arm and Chest
Deep muscles of the arm and chest of the cat id...
| Cat Muscles of the Chest and Abdomen |
Apr 15, 2010 at 07:46 PM
| 3483 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Cat Dissection - Flexors of the Arm
Cat dissection of the flexors of the arm. Instr...
| Cat Muscles of the Shoulder and Arm |
Apr 15, 2010 at 07:40 PM
| 3606 |
Not Right For WatchKnowLearn
Avg: 3.9 Votes: 3
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Cat Muscles of the Neck Part 2
Cat Muscles of the neck, including sternohyoid,...
| Cat Muscles of the Head and Neck |
Apr 15, 2010 at 07:33 PM
| 3515 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Cat Ventral Neck Muscles
Dissection of the head and neck muscles of the ...
| Cat Muscles of the Head and Neck |
Apr 15, 2010 at 07:25 PM
| 3502 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Cat Dissection Pectoral Muscles
Cat Dissection of the pectoral muscles, xiphihu...
| Cat Muscles of the Chest and Abdomen |
Apr 15, 2010 at 07:15 PM
| 4016 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Cat Muscles of the Upper Arm
This video shows the arm muscles of a cat as we...
| Cat Muscles of the Shoulder and Arm |
Apr 15, 2010 at 07:05 PM
| 3172 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Cat Muscles
This is an instructor review of all the major s...
| General Cat Muscle Reviews |
Apr 15, 2010 at 06:56 PM
| 3570 |
Not Right For WatchKnowLearn
Avg: 3.0 Votes: 1
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Cat Muscle Review
Quick review of hip and leg muscles by an instr...
| General Cat Muscle Reviews |
Apr 15, 2010 at 06:49 PM
| 3487 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Cat Dissection: Thorax
Cat muscle review of the chest region: Pectoral...
| Cat Muscles of the Chest and Abdomen |
Apr 15, 2010 at 06:40 PM
| 3333 |
Not Right For WatchKnowLearn
Avg: 3.0 Votes: 1
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Cat Dissection Shoulder Muscles
Cat dissection of the shoulder muscles. The ins...
| Cat Muscles of the Shoulder and Arm |
Apr 15, 2010 at 06:30 PM
| 3412 |
Not Right For WatchKnowLearn
Avg: 4.1 Votes: 2
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Earth's Mass Extinctions
Asteroid strikes get all the coverage, but "Med...
| Ecology |
Apr 14, 2010 at 09:16 PM
| 4889 |
Not Right For WatchKnowLearn
Avg: 4.5 Votes: 2
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Bonobos
Savage-Rumbaugh's work with bonobo apes, which ...
| Bonobos |
Apr 14, 2010 at 09:09 PM
| 3640 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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The Uniqueness of Humans
At Stanford University, primatologist Robert Sa...
| Primates |
Apr 14, 2010 at 09:00 PM
| 4567 |
Not Right For WatchKnowLearn
Avg: 4.5 Votes: 2
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Giant Sunfish
Marine biologist Tierney Thys asks us to step i...
| Mola Mola |
Apr 14, 2010 at 08:55 PM
| 3851 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Mantis Shrimp
Biologist Sheila Patek talks about her work mea...
| Crustaceans |
Apr 14, 2010 at 08:48 PM
| 4469 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Deep Sea Creatures
David Gallo shows beautiful footage of amazing ...
| Oceans |
Apr 14, 2010 at 08:43 PM
| 5204 |
Not Right For WatchKnowLearn
Avg: 5.0 Votes: 4
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Silvia Earle's Plea to Protect Our Oceans
Legendary ocean researcher Sylvia Earle shares ...
| Oceans |
Apr 14, 2010 at 08:40 PM
| 4032 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Biomimicry in Action
Janine Benyus has a message for inventors: When...
| Influence of Inventions |
Apr 14, 2010 at 08:33 PM
| 3828 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 2
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DNA Folding
Paul Rothemund folds DNA into shapes and patter...
| DNA |
Apr 14, 2010 at 08:28 PM
| 3580 |
Not Right For WatchKnowLearn
Avg: 4.3 Votes: 3
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Cell Animation
Medical animator David Bolinsky presents 3 minu...
| Cell Overview |
Apr 14, 2010 at 08:16 PM
| 2591 |
Not Right For WatchKnowLearn
Avg: 5.0 Votes: 1
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Perceptual Illusions
Al Seckel, a cognitive neuroscientist, explores...
| Brain |
Apr 14, 2010 at 08:08 PM
| 1704 |
Not Right For WatchKnowLearn
Avg: 0.0 Votes: 0
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Jonathan Dori on What We Think We Know
Starting with four basic questions (that you ma...
| Science Overview |
Apr 14, 2010 at 07:54 PM
| 6116 |
Not Right For WatchKnowLearn
Avg: 4.3 Votes: 3
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Arthur Benjamin Does "Mathemagic"
In a lively show, mathematician and magician Ar...
| 2.NBT.B.8 |
Apr 14, 2010 at 07:46 PM
| 6099 |
Not Right For WatchKnowLearn
Avg: 4.7 Votes: 5
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Re-Wiring the Brain
Neuroscientist Michael Merzenich lectures on th...
| Neuroplasticity of the Brain |
Apr 14, 2010 at 07:33 PM
| 3516 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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The Intelligence of Crows
This is a lecture by Josh Klein, who is fascina...
| Crows |
Apr 14, 2010 at 07:27 PM
| 3219 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Charles Moore - The Great Pacific Plastic Trash Island
Charles Moore discovered a large floating islan...
| Great Pacific Garbage Patch |
Apr 14, 2010 at 07:12 PM
| 5750 |
Not Right For WatchKnowLearn
Avg: 4.5 Votes: 6
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School Testing: Behind the Numbers
A lively, humorous and thoughtful discussion of...
| Student Assessment |
Mar 25, 2010 at 10:56 PM
| 1865 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Future of Chemical Research
Interviews with leaders from academia and indus...
| Introduction to Chemistry |
Mar 25, 2010 at 10:44 PM
| 2384 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Chemistry and the Environment
Dump site waste management demonstrates chemist...
| Introduction to Chemistry |
Mar 25, 2010 at 10:43 PM
| 2659 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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The Genetic Code
DNA contains the genetic information of an orga...
| DNA |
Mar 25, 2010 at 10:42 PM
| 3507 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Proteins: Structure and Function
Proteins are very important to living organisms...
| Translation |
Mar 25, 2010 at 10:39 PM
| 3369 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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The Age of Polymers
Industrial chemists routinely turn oil and natu...
| Chemical Equations and Reactions |
Mar 25, 2010 at 10:38 PM
| 2782 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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Carbon
Carbon is essential to all life. The versatilit...
| Carbon |
Mar 25, 2010 at 10:37 PM
| 3815 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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On the Surface
Surface science examines how surfaces react wit...
| Surface Tension |
Mar 25, 2010 at 10:35 PM
| 4102 |
Not Right For WatchKnowLearn
Avg: 3.7 Votes: 2
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Metals
Metals are extremely important to our daily liv...
| Elements |
Mar 25, 2010 at 10:34 PM
| 1801 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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The Chemistry of the Earth
Geographic distribution of specific resources d...
| Elements |
Mar 25, 2010 at 10:33 PM
| 1682 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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The Precious Envelope
Without the earth's atmosphere, life would not ...
| Atmosphere |
Mar 25, 2010 at 10:31 PM
| 3341 |
Not Right For WatchKnowLearn
Avg: 3.7 Votes: 2
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The Proton in Chemistry
Acids are often thought to be harmful, but acid...
| Protons |
Mar 25, 2010 at 10:29 PM
| 3744 |
Not Right For WatchKnowLearn
Avg: 4.0 Votes: 1
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