« previous next »
« previous next »
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

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

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f
How to create a price index to calculate inflation for a basket of goods How to create a price index to calculate inflation for a basket of goods
Circular friction with knuckles to various spots on the foot bottom. Concentrate on places with ... Circular friction with knuckles to various spots on the foot bottom. Concentrate on places with ...
Calculate the distance from point R(17,5) to the line ... Round to the nearest tenth of a Calculate the distance from point R(17,5) to the line ... Round to the nearest tenth of a
How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree? How to calculate the gain and loss gene numbers with low bootstrap of phylogenetic tree?
Calculate ΔS° Calculate ΔS°
Video: Hormones and the menstrual cycle Animation

For a complete list of videos, visit our video library