« previous next »
« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

A variety of bird beaks A variety of bird beaks
Variety in Spiral Arms Variety in Spiral Arms
If sociologists were to study land diving on Pentecost Island in Vanuatu, they could use a variety ... If sociologists were to study land diving on Pentecost Island in Vanuatu, they could use a variety ...
Age-related cross-sectional changes on a variety of cognitive tasks. Note that although both ... Age-related cross-sectional changes on a variety of cognitive tasks. Note that although both ...
Scientists should use a variety of media to present the message Scientists should use a variety of media to present the message
Video: T cell receptors

For a complete list of videos, visit our video library