« previous next »
« previous next »
 

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Evidence for big game hunting by archaic H. sapiens is suggested by the excavations at the Boxgrove Evidence for big game hunting by archaic H. sapiens is suggested by the excavations at the Boxgrove
When the United States gets stuck over a controversial issue—usually something a divided Congress ca When the United States gets stuck over a controversial issue—usually something a divided Congress ca
Problem-Solving in Hangman Problem-Solving in Hangman
LBJ cultivated the masculine image of a Texas cowboy. Biographers have suggested that Johnson was ... LBJ cultivated the masculine image of a Texas cowboy. Biographers have suggested that Johnson was ...
Solving a Quartic Solving a Quartic
Chemistry - Problem Solving Chemistry - Problem Solving
Video: Stress and Immune System Animation

For a complete list of videos, visit our video library