Dictionary » H » Hairs



(Science: chemical) a variety of native epsom salt occurring in silky fibres.

Origin: a translation of g. Haarsalz.

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Humans Natural Habitat/Optimal Environment

... etc. that humans can survive in, within those limits there are a degree of flexibility. There is a reason you can sweat, your hairs can piloerect and blood vessels can expand and shrink depending on the temperature. It may be that several different environments may be perfect ...

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by Babybel56
Tue Mar 04, 2014 6:04 am
Forum: Evolution
Topic: Humans Natural Habitat/Optimal Environment
Replies: 2
Views: 307

Life span of DNA

... it is stored plays a big role in how long it will last. DNA that left inside and dry at room temperature can last for years, such as that found on hairs in a hair brush. DNA in harsh conditions such as high heat or strong chemicals, can degrade very quickly (minutes to years). DNA that is preserved ...

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by suzidoc8
Mon Jul 23, 2012 2:35 pm
Forum: Molecular Biology
Topic: Life span of DNA
Replies: 2
Views: 4238

Human hair

I'm with Darby, hairs certainly are sensory organs - and there are lots of data to that point in other species. That doesn't mean the silly article your mother gave you has any substance - and it's not obvious that long unwashed hair ...

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by JorgeLobo
Thu Jun 07, 2012 2:06 pm
Forum: Physiology
Topic: Human hair
Replies: 2
Views: 2374

sensory question

... bombykol,? a. the female starts to release more bombykol b. the action potential in the antennal nerve increase c. many bombykol sensitive hairs are stimulated per second d. a larger number of bombykol sensitive hair undergoes adaptation e. the receptor potential in bombykol sensitive hair ...

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by jjkwest1
Wed Apr 18, 2012 6:23 am
Forum: Cell Biology
Topic: sensory question
Replies: 2
Views: 2290

Re: Passive smoking

... The ENT nurse also said she could "see the effect on ear canals" where children had been around smoking, some kind of yellowing of the hairs in the canal apparently. Anyone care to comment on this? I recently reminded myself of some of the evidence of passive smoking and glue ear, one ...

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by Jakayla
Thu Dec 08, 2011 11:46 am
Forum: Human Biology
Topic: Passive smoking
Replies: 18
Views: 12186
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