« previous next »
« previous next »
 

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

The most abundant elements found in living organisms The most abundant elements found in living organisms
Photosynthetic thylakoid membranes and numerous gas vesicles found in a cell of the cyanobacterial g Photosynthetic thylakoid membranes and numerous gas vesicles found in a cell of the cyanobacterial g
(c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found (c) snow in Nunavut, alter the local albedo, causing altered microclimates. High albedos are found
The tiger, Panthera tigris, was historically found throughout much of Asia, but at low population de The tiger, Panthera tigris, was historically found throughout much of Asia, but at low population de
Young Circumstellar Disks of Matter Young Circumstellar Disks of Matter
Shapes of cells found in the brain. Shapes of cells found in the brain.
Video: How to find out if a population is evolving?

For a complete list of videos, visit our video library