« previous next »
« previous next »
 

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?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

A comparison of selected species of bacteria and archaea. A comparison of selected species of bacteria and archaea.
Species of the algal genus Dinobryon not only photosynthesize, but are also efficient predators of b Species of the algal genus Dinobryon not only photosynthesize, but are also efficient predators of b
Friction significantly influences airflow near Earth’s surface, but its effect is negligible at ... Friction significantly influences airflow near Earth’s surface, but its effect is negligible at ...
How to solve any percent efficiency problem How to solve any percent efficiency problem
Rita borrows $4,500 from the bank at 9 percent annually compounded interest to be repaid in ... Rita borrows $4,500 from the bank at 9 percent annually compounded interest to be repaid in ...
Earth 65 Million Years Ago Earth 65 Million Years Ago
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library