« previous next »
« previous next »
 

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

There are multiple pathways for heat exchange between organisms and the environment. There are multiple pathways for heat exchange between organisms and the environment.
Structures formed by phospholipids in an aqueous environment. Structures formed by phospholipids in an aqueous environment.
Cloud Types: Vertical Development Cloud Types: Vertical Development
Migration of Surface Cyclones Relative to Rossby Waves Migration of Surface Cyclones Relative to Rossby Waves
Global Migration and Settlement Global Migration and Settlement
Human impacts and the built environment Human impacts and the built environment
Video: SNP Polymorphysim Microarray Chip - How to Test a Person's DNA

For a complete list of videos, visit our video library