« previous next »
« previous next »
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

An image of a streptococcus bacteria taken by a scanning electron microscope. An image of a streptococcus bacteria taken by a scanning electron microscope.
Food Digestion Steps Food Digestion Steps
Bacteria Diagram Bacteria Diagram
Basic Food Group Choices for a 1,200 Calorie Eating Plan Basic Food Group Choices for a 1,200 Calorie Eating Plan
Types of bacteria. Types of bacteria.
Is It Safe To Get Your Meals from a Food Truck? Is It Safe To Get Your Meals from a Food Truck?
Video: How eudicots (true dicots) differ from monocots Animation

For a complete list of videos, visit our video library