« previous next »
« previous next »
 

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

The open ocean is the most extensive biome on earth. The open ocean is the most extensive biome on earth.
Earth with Rings Earth with Rings
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 ...
Gravity on Earth Vs. Gravity in Bed Gravity on Earth Vs. Gravity in Bed
Formation of the Early Earth Formation of the Early Earth
Happy earth day jk kid drawing Happy earth day jk kid drawing
Video: Autonomic Nervous System Animation

For a complete list of videos, visit our video library