Making sure your offspring know how to clean their teeth

[Henk Elegeert]

REPLY TO: D66 at nic.surfnet.nl

Cees,

Echt, a f s c h u w e l i j k, dat na-apen ... :)

Henk Elegeert


2009/3/13  <ceesbink at xs4all.nl>:
> REPLY TO: D66 at nic.surfnet.nl
>
> Dus alleen kale mensen hoeven niet bang te zijn voor hun haar in de buurt
> van apen ;)
> Of zou borst- of ander haar ook tellen?
>
> Groet / Cees
>
> http://news.bbc.co.uk/2/hi/asia-pacific/7940052.stm
> Making sure your offspring know how to clean their teeth appears to be as
> important to monkeys as to humans.
>
> Female monkeys in Thailand have been observed showing their young how to
> floss their teeth - using human hair.
>
> Researchers from Japan said they watched seven long-tailed macaques
> cleaning the spaces between their teeth in the same manner as humans.
>
> They spent double the amount of time flossing when they were being watched
> by their infants, the team said.
>
> This suggests the mothers were deliberately teaching their young how to
> floss, Professor Nobuo Masataka of Kyoto University's Primate Research
> Institute said.
>
> "I was surprised because teaching techniques on using tools properly to a
> third party are said to be an activity carried out only by humans," he
> told the AFP news agency.
>
> He said the study, carried out in Lopburi, north of Bangkok, is still in
> the hypothesis stage.
>
> "We would like to shift our focus to the baby monkeys to check whether the
> mothers' actions are effectively helping them learn how to clean their
> teeth," he added.
>
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