Caption: The normal, or perpendicular, at each point of a surface defines the corresponding tangent plane, and vice versa.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 31.59 MB

Caption: Normal and abnormal sites of implantation of fertilized ovum
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 8.45 MB

Caption: Teens says 'Jeez . . . why can't we have a normal mom?' as she gleefully snaps their picture on vacation
Artist: McClatchy - Tribune
Release: Not Applicable
File Size: 7.89 MB

Caption: Standing out in a crowd
Artist: Steven Swift
Release: Not Applicable
File Size: 41.54 MB

Caption: The anatomy of an asthma attack, demonstrating the difference between a normal and an obstructed airway
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 16.27 MB

Caption: The cyclical changes that occur during the normal menstrual cycle in women
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 17.57 MB

Caption: The existence of parallel magnetic anomalies in the oceanic crust corroborates the hypothesis of seafloor spreading
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 35.02 MB

Caption: In an El Nino event, the upper water layer thickens and upwelled water contains fewer nutrients, lowering marine productivity
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 30.12 MB

Caption: Comparison of a normal heart to one with a ventricular septal defect
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 56.06 MB

Caption: Transformation
Artist: Katie S. Atkinson
Release: Not Applicable
File Size: 34.07 MB

Caption: Diagram demonstrating the difference between a normal heart and a heart with an atrial septal defect
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 56.06 MB

Caption: Types of faulting in tectonic earthquakes.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 28.66 MB

Caption: Receptor-mediated endocytosis enables cells to ingest molecules such as protein that are necessary for normal cell functioning.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 70.36 MB

Caption: Atherosclerosis: Comparison of a normal artery with an artery narrowed by atherosclerotic plaque
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 12.77 MB

Caption: Cross section comparing the left ventricular wall of normal heart to a left ventricular wall that has experienced hypertrophy.
Artist: Encyclopaedia Britannica
Release: Not Applicable
File Size: 56.06 MB

Caption: Small men in large shoes and one normal sized man in shoes
Artist: Matt Kenyon
Release: Not Applicable
File Size: 50.01 MB