« previous next »
« previous next »
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

A baby Sciurus A baby Sciurus
As a young man Tecumseh was a superb hunter and warrior. His younger brother, Tenskwatawa, was awkw As a young man Tecumseh was a superb hunter and warrior. His younger brother, Tenskwatawa, was awkw
Honey should never be given to children younger than one year of age Honey should never be given to children younger than one year of age
The first generation of model organisms in genetic analysis The first generation of model organisms in genetic analysis
The frequency of the dominant and recessive alleles in the gametes of the parental generation determ The frequency of the dominant and recessive alleles in the gametes of the parental generation determ
One generation of random mating produces Hardy–Weinberg equilibrium One generation of random mating produces Hardy–Weinberg equilibrium
Video: Double Stranded DNA Molecule Animation

For a complete list of videos, visit our video library