« previous next »
« previous next »
 

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f
The first mill operations performed only the task of spinning wool, cotton, and The first mill operations performed only the task of spinning wool, cotton, and
Tapping. Tapotement performed with the fingertips of a relaxed hand. Tapping. Tapotement performed with the fingertips of a relaxed hand.
Apply passive touch over abdomen to finish. Slow the circle stroke you performed in Step 14, and let ... Apply passive touch over abdomen to finish. Slow the circle stroke you performed in Step 14, and let ...
Gel electrophoresis of hemoglobin protein, first performed by Linus Pauling. Gel electrophoresis of hemoglobin protein, first performed by Linus Pauling.
Phenotype proportions in the progeny of a dihybrid cross performed by Mendel Phenotype proportions in the progeny of a dihybrid cross performed by Mendel
Video: Body plan of euglena Animation

For a complete list of videos, visit our video library