« previous next »
« previous next »
 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Evolutionary adaptation to a new environment via natural selection. Evolutionary adaptation to a new environment via natural selection.
The Grants and natural selection of beak size among the medium ground finch. The Grants and natural selection of beak size among the medium ground finch.
Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an Three principle forms of natural selection: (a) stabilizing selection, (b) directional selection, an
Many Natural Resources Can Be Sustained Many Natural Resources Can Be Sustained
Vaccine Information Sheet (VIS) provided by the CDC for the varicella vaccination. Vaccine Information Sheet (VIS) provided by the CDC for the varicella vaccination.
Acquired resistance. Acquired resistance.
Video: Introduction to Photolithography - WC, BLF, PA, Hard and Soft baking

For a complete list of videos, visit our video library