« previous next »
« previous next »
 

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Interior nodes represent common ancestors Interior nodes represent common ancestors
Phobos in color by Mars Reconnaissance Orbiter - HiRISE Phobos in color by Mars Reconnaissance Orbiter - HiRISE
Temperature and Color Temperature and Color
In situ hybridization. This color-coded frontal section through a rat brain reveals high ... In situ hybridization. This color-coded frontal section through a rat brain reveals high ...
Dried fruits often have sulfur dioxide or other sulfites added to them to preserve color and flavor Dried fruits often have sulfur dioxide or other sulfites added to them to preserve color and flavor
Science Background Science Background
Video: Metaphase I Animation

For a complete list of videos, visit our video library