« previous next »
« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

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?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

lion cubs in the wild, South Africa lion cubs in the wild, South Africa
A cheetah strangling an impala, Timbavati Game Reserve, South Africa A cheetah strangling an impala, Timbavati Game Reserve, South Africa
Spot-billed Duck (Anas poecilorhyncha) in Hyderabad, India Spot-billed Duck (Anas poecilorhyncha) in Hyderabad, India
The Routes of Cholera, 1832, 1873 The Routes of Cholera, 1832, 1873
Gustave Caillebotte, Place de l'Europe on a Rainy Day. Gustave Caillebotte, Place de l'Europe on a Rainy Day.
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
Video: Exocytosis - secretion

For a complete list of videos, visit our video library