Human Body

Red-eye in photos is caused by light from the flash bouncing off the capillaries in people's eyes.

Add to Favs Email This Share on FB

rate this fact
  One More !  

Search

Amazing (200) America (274) Animal (433) Best (18) Engineering (13) English Language (23) Famous (20)

Fun (34) Great (42) Highest (28) Human Body (2,500) Interesting (2,332) Largest (100) Least (24)

Longest (39) Lowest (6) Math (18) Most (119) Nature (13) Oldest (20) Popular (45)

Random (452) Real (886) Science (21) Smallest (16) Sports (76) Time (15) World War II (61)

Amazing (200) America (274) Animal (433) Best (18) Engineering (13) English Language (23) Famous (20) Fun (34) Great (42) Highest (28) Human Body (2,500) Interesting (2,332) Largest (100) Least (24)

Longest (39) Lowest (6) Math (18) Most (119) Nature (13) Oldest (20) Popular (45) Random (452) Real (886) Science (21) Smallest (16) Sports (76) Time (15) World War II (61)

by TimeWasters, LLC:
7,828 interesting facts by Facts&Co
180,527 famous quotes by Quotes&Co
62,947 proverbs from all over the world by Proverbs&Co

Traffic analysis by Web-Stat