« 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?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
A tail from a different individual - the tail of each humpback whale is visibly unique. A tail from a different individual - the tail of each humpback whale is visibly unique.
Sixteen-pin OBD II DLC with terminals identified. Scan tools use the power pin (16) ground pin (4) ... Sixteen-pin OBD II DLC with terminals identified. Scan tools use the power pin (16) ground pin (4) ...
Modified Amino acids with unique properties Modified Amino acids with unique properties
Generation of various modified dihybrid ratios from the nine unique genotypes Generation of various modified dihybrid ratios from the nine unique genotypes
Video: Febrile Seizure

For a complete list of videos, visit our video library