« previous next »
« previous next »
 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Diagram of a cell nucleus Diagram of a cell nucleus
The Cell The Cell
Polyamines for cell proliferation because of their roles in stabilizing duplex DNA structure Polyamines for cell proliferation because of their roles in stabilizing duplex DNA structure
Gastric Glands and Cell Types in the Stomach Gastric Glands and Cell Types in the Stomach
The epigenetic stem cell model proposes that both epigenetic changes The epigenetic stem cell model proposes that both epigenetic changes
In F- F+ mating, demonstrating how the recipient F- cell is converted to F+ In F- F+ mating, demonstrating how the recipient F- cell is converted to F+
Video: Diversity of Living Creatures - Charles Darwin & the Beagle's Voyage

For a complete list of videos, visit our video library