« previous next »
« previous next »
 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Wolf Spider in Maricopa City, Arizona, roughly 25mm (1 inch) while legs were retracted Wolf Spider in Maricopa City, Arizona, roughly 25mm (1 inch) while legs were retracted
Tracking time of marker entry generates a chromosome map Tracking time of marker entry generates a chromosome map
Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th Firing Rate of Individual SCN Neurons in a Tissue Culture Color bars have been added to emphasize th
Splash blending occurs when the ethanol is added to a tanker with gasoline and is mixed as the ... Splash blending occurs when the ethanol is added to a tanker with gasoline and is mixed as the ...
Thread pitch gauge used to measure the pitch of the thread. This bolt has 13 threads to the inch. Thread pitch gauge used to measure the pitch of the thread. This bolt has 13 threads to the inch.
Time-of-entry mapping Time-of-entry mapping
Video: Retina

For a complete list of videos, visit our video library