« previous next »
« previous next »
 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Josiah Wedgwood, Queen's Ware dinner service (detail). Josiah Wedgwood, Queen's Ware dinner service (detail).
Tag identify that the power has been removed and service work is being done. Tag identify that the power has been removed and service work is being done.
Language Patterns Language Patterns
Melting ice is ponded behind fragile barriers of glacial sediment Melting ice is ponded behind fragile barriers of glacial sediment
Animals and Language (2 of 2) Animals and Language (2 of 2)
Examples of Surface Barriers Examples of Surface Barriers
Video: Chemical Equilibrium between N2O4 (colorless gas) and NO2 (brown gas)

For a complete list of videos, visit our video library