« previous next »
« previous next »
 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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.

Fruits attractive to animal seed dispersal agents. Fruits attractive to animal seed dispersal agents.
The Svalbard Global Seed Vault The Svalbard Global Seed Vault
How Mendel’s theory accounts for the results of his experiment on the inheritance of seed color in ... How Mendel’s theory accounts for the results of his experiment on the inheritance of seed color in ...
The phenotypic distribution in a cross with two traits: seed color and seed shape. Plants in the F2 The phenotypic distribution in a cross with two traits: seed color and seed shape. Plants in the F2
Segregation of alleles for seed color Segregation of alleles for seed color
Binomial-probability calculation of seed-color phenotype in six-seeded pods Binomial-probability calculation of seed-color phenotype in six-seeded pods
Video: Graded potentials - electrical characteristics and types

For a complete list of videos, visit our video library