« previous next »
« previous next »
 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr (a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
Altamont Pass Wind Farm in California Altamont Pass Wind Farm in California
Deconvolution fluorescence microscopy yields high-resolution optical sections th Deconvolution fluorescence microscopy yields high-resolution optical sections th
Ten Leading Causes of Death in High-Income Countries, 2008 Ten Leading Causes of Death in High-Income Countries, 2008
Family interactive style predicts academic achievement in high school Family interactive style predicts academic achievement in high school
At 19 months, Merr would clearly pass the 17-month item on the Bayley Scales At 19 months, Merr would clearly pass the 17-month item on the Bayley Scales
Video: Kinetic parameters & Kinetic experiment

For a complete list of videos, visit our video library