« previous next »
« previous next »
 

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Species-rich floras of chalk grassland compared to species-poor floras of acid soils. Species-rich floras of chalk grassland compared to species-poor floras of acid soils.
Inhibition as a primary method of succession in the marine intertidal zone. Inhibition as a primary method of succession in the marine intertidal zone.
Invasive species provide an example of predator pressure. Invasive species provide an example of predator pressure.
El Niño and areas of high marine primary production around the Galapagos Islands. Noti El Niño and areas of high marine primary production around the Galapagos Islands. Noti
Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe
Video: Cardiac conductile cells

For a complete list of videos, visit our video library