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Exposure

Exposure

(Science: radiobiology) a quantitative measure of x or gamma radiation at a certain place, based on its ability to produce ionisation in air. The former special unit of exposure was the roentgen (R). 1R = 2.58 x 10-4 C/kg. In the international system (si unit), the special unit is coulomb per kilogram. (exposure also is frequently used as a synonym for irradiation).


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Humans Natural Habitat/Optimal Environment

... we be living? For years I have been pondering about Homo Sapiens natural habitat. This includes all aspects from lifestyle to nutrition to sun exposure, etc.... It started when i was getting into instinctive nutrition. I was eating a lemon thinking... Why does my body love citrus so much? Did ...

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by Anopsology
Sun Mar 02, 2014 10:30 pm
 
Forum: Evolution
Topic: Humans Natural Habitat/Optimal Environment
Replies: 2
Views: 246

Re: Are predators always smarter than their prey?

... can be innate, for example, animals can identify predators as a threat even if they have never encountered them before , or learned only after exposure to a predatory threat which they did not provide any examples or detail explanation

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by Gannet
Mon Feb 24, 2014 10:18 am
 
Forum: Zoology Discussion
Topic: Are predators always smarter than their prey?
Replies: 12
Views: 3926

Re: Am I the Next Step in Human Evolution?

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by badgertoes
Sat Dec 28, 2013 8:31 am
 
Forum: Evolution
Topic: Am I the Next Step in Human Evolution?
Replies: 23
Views: 23648

Living or not? (viruses,viroids and prions).

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by Sumanth001
Sun Dec 08, 2013 12:37 pm
 
Forum: Microbiology
Topic: Living or not? (viruses,viroids and prions).
Replies: 15
Views: 4550

Red lichen on most rocks but not some

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by vk4vfx
Wed Nov 20, 2013 8:55 am
 
Forum: Botany Discussion
Topic: Red lichen on most rocks but not some
Replies: 3
Views: 735
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