Archive: 12/06/2007

Fruit Bats are not 'Blind as a Bat'

The retinas of most mammals contain two types of photoreceptor cells, the cones for daylight vision and colour vision, and the more sensitive rods for night vision. Nocturnal bats were traditionally believed to possess only ...

dateJun 12, 2007 in
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Catastrophic events can affect a person's sleep

A significant disruption of day-to-day life can take place in those areas affected by a natural disaster. One of the more recent disasters occurred when Hurricane Katrina struck the Gulf Coast in late August 2005, causing ...

dateJun 12, 2007 in Health
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