« previous next »
« previous next »
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Mosquito Eyes Up Close: Electron Microscope Image Creates Stunning View Of Insect Mosquito Eyes Up Close: Electron Microscope Image Creates Stunning View Of Insect
A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by
Balmer Lines in the Spectrum of a Star Balmer Lines in the Spectrum of a Star
Lines of the posterior thorax Lines of the posterior thorax
A little part of textbook image A little part of textbook image
Exceptional progeny observed by Calvin Bridges Exceptional progeny observed by Calvin Bridges
Video: Dietary Cholesterol & LDL

For a complete list of videos, visit our video library