« previous next »
« previous next »
 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Coral in the Pacific Ocean Coral in the Pacific Ocean
Orrorin tugenensis may be among the oldest of the hominins, although its taxonomic position is still Orrorin tugenensis may be among the oldest of the hominins, although its taxonomic position is still
(a) The mandible from Sima de Elefante Atapuerca, Spain. (b) The Gran Dolina locality in Atapuerca, (a) The mandible from Sima de Elefante Atapuerca, Spain. (b) The Gran Dolina locality in Atapuerca,
Global Winds and Ocean Currents Global Winds and Ocean Currents
The path of the conveyor is complex and affected by deep ocean topography The path of the conveyor is complex and affected by deep ocean topography
The cystic fibrosis protein is a membrane protein. The CFTR protein is located in the plasma membran The cystic fibrosis protein is a membrane protein. The CFTR protein is located in the plasma membran
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library