« previous next »
« previous next »
 

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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 first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

The three dimensions of stream structure. The three dimensions of stream structure.
Imaginary Thoracic Lines, Posterior View Imaginary Thoracic Lines, Posterior View
Squall lines Squall lines
Structure of a bacterial nucleoid, showing independent domains of supercoiling Structure of a bacterial nucleoid, showing independent domains of supercoiling
Changes in the Age Structure of the Population, 1950–2050 Changes in the Age Structure of the Population, 1950–2050
Transfer RNA structure Transfer RNA structure
Video: Isovolumetric VC, Ventricular ejection, Isovolumetric & Passive ventricular filling

For a complete list of videos, visit our video library