« previous next »
« previous next »
 

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

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

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Measuring the Weight and Length of an Infant Measuring the Weight and Length of an Infant
Viral single-strand DNA (circular) Viral single-strand DNA (circular)
Food Sources of Carbohydrates You need to eat at least 130 grams of carbohydrates daily Food Sources of Carbohydrates You need to eat at least 130 grams of carbohydrates daily
Arrangement of polynucleotide strand Arrangement of polynucleotide strand
DNA strand elongation DNA strand elongation
An older woman with wrinkled skin, gray hair, and darker teeth, smokes a cigarette. An older woman with wrinkled skin, gray hair, and darker teeth, smokes a cigarette.
Video: Green alga life cycle Animation

For a complete list of videos, visit our video library