« previous next »
« previous next »
 

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

A comparison between anagenesis and cladogenesis: two patterns of speciation. A comparison between anagenesis and cladogenesis: two patterns of speciation.
Comminuted Shatters the affected part into a multitude of bony fragments (x-ray of the femur bone) Comminuted Shatters the affected part into a multitude of bony fragments (x-ray of the femur bone)
Olafur Eliasson, The Weather Project. Olafur Eliasson, The Weather Project.
Three patterns of axonal regeneration in mammalian peripheral nerves. Three patterns of axonal regeneration in mammalian peripheral nerves.
Patterns of Ethnicity Patterns of Ethnicity
Phenotype patterns in the F2 of a dihybrid cross that result from epistatic gene interaction Phenotype patterns in the F2 of a dihybrid cross that result from epistatic gene interaction
Video: Graded potentials - electrical characteristics and types

For a complete list of videos, visit our video library