« previous next »
« previous next »
 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Types of Fractures Types of Fractures
There are many types of adaptive devices: (A) a toothbrush; (B) a reaching stick; (C) a shoe holder; ... There are many types of adaptive devices: (A) a toothbrush; (B) a reaching stick; (C) a shoe holder; ...
The arms can be moved in and out and most pads can be rotated to allow for many different types of ... The arms can be moved in and out and most pads can be rotated to allow for many different types of ...
Types of Fold Strata Types of Fold Strata
Satellite data showing net primary production. Productivity is coded as red (highest) down through o Satellite data showing net primary production. Productivity is coded as red (highest) down through o
Sturtevant’s Recombination Data for Five X-Linked Genes in Drosophila Sturtevant’s Recombination Data for Five X-Linked Genes in Drosophila
Video: Gastrulation: cross section of the frog

For a complete list of videos, visit our video library