« previous next »
« previous next »
 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Ernesto Neto, TorusMacroCopula, one of four sculptures in Madness is Part of Life. Ernesto Neto, TorusMacroCopula, one of four sculptures in Madness is Part of Life.
Links to the World Economy Links to the World Economy
How to use L’Hospital’s Rule to find the limit of a function (Part 3) How to use L’Hospital’s Rule to find the limit of a function (Part 3)
How to find the domain and range of a function (Part 1) How to find the domain and range of a function (Part 1)
Structures of the ionized forms of some representative fatty acids (part 1) Structures of the ionized forms of some representative fatty acids (part 1)
Question 37 Part 2 Question 37 Part 2
Video: DNA fingerprinting Animation

For a complete list of videos, visit our video library