« previous next »
« previous next »
 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Tulip fields Tulip fields
Pure Word Deafness Pure Word Deafness
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it. In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers
With the research technique called brainbow, each neuron is labeled with a different color, ... With the research technique called brainbow, each neuron is labeled with a different color, ...
The two visual fields of each eye are nasal (medial) and temporal (lateral) The two visual fields of each eye are nasal (medial) and temporal (lateral)
Video: Methods that regulate pH

For a complete list of videos, visit our video library