« previous next »
« previous next »
 

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Tracking time of marker entry generates a chromosome map Tracking time of marker entry generates a chromosome map
Organization of Spatial Frequency Organization of Spatial Frequency
Neck stretch. Rest the receiver’s head on the palm of your right hand, taking a firm hold on the ... Neck stretch. Rest the receiver’s head on the palm of your right hand, taking a firm hold on the ...
Temperature gradient generates a global pattern of circulation Temperature gradient generates a global pattern of circulation
The relationship between maternal age and the frequency of trisomy 21 (Down syndrome). The risk incr The relationship between maternal age and the frequency of trisomy 21 (Down syndrome). The risk incr
Calculus help: Find a cubic function f (x) = ax3 +bx2 +cx+d that has a local maximum value of 3 ... Calculus help: Find a cubic function f (x) = ax3 +bx2 +cx+d that has a local maximum value of 3 ...
Video: Homeostasis (range of body conditions, normal limits, mild stresses & severe stresses)

For a complete list of videos, visit our video library