« previous next »
« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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 ...
Microinjecting DNA into a fertilized egg Microinjecting DNA into a fertilized egg
Biological control agent: a commercially raised parasitoid wasp about to deposit a fertilized egg in Biological control agent: a commercially raised parasitoid wasp about to deposit a fertilized egg in
Bug depositing fertilized eggs on a pine needle Bug depositing fertilized eggs on a pine needle
Events in human fertilization. The light micrograph shows a fertilized human oocyte. Events in human fertilization. The light micrograph shows a fertilized human oocyte.
Video: Energy sources - types

For a complete list of videos, visit our video library