« previous next »
« previous next »
 

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.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Walking and running in a tetrapod. Walking and running in a tetrapod.
If the vacuum hose is removed from the fuel-pressure regulator when the engine is running, the ... If the vacuum hose is removed from the fuel-pressure regulator when the engine is running, the ...
Start the vehicle’s engine and let run at 1000–1500 RPM. The engine is now running on fuel ... Start the vehicle’s engine and let run at 1000–1500 RPM. The engine is now running on fuel ...
A free-running circadian sleep–wake cycle 25.3 hours in duration. Despite living in an unchanging ... A free-running circadian sleep–wake cycle 25.3 hours in duration. Despite living in an unchanging ...
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Types of synapses - electrical & chemical

For a complete list of videos, visit our video library