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Crittervision: What a dog's nose knows - 22 August 2011 - New Scientist - 0 views

  • "The smells have different layers, which probably give dogs a much bigger range of types of information."
  • But the dog's eyes are just a back-up.
  • The dog could imagine the future by picking up the scent of the dogs, humans or other objects coming towards them on the breeze.
  • ...4 more annotations...
  • they inhale air from two distinct regions of space, allowing the dog to decipher the direction of a scent.
  • The sniff also funnels stale air out through the sides of the nostrils, an action which pulls new air into the nose.
  • Once inside the nose the air swirls around up to 300 million olfactory receptors, compared with our measly 6 million
  • the dog olfactory cortex, which processes scent information, takes up 12.5 per cent of their total brain mass, while ours accounts for less than 1 per cent.
pepa garcía

Quieren insertar vacuna de gripe porcina en el maíz - TreeHugger - 0 views

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    De este modo tanto cerdos como humanos al comer maíz se estarían vacunando contra la gripe porcina. Cuáles serán las consecuencias? Es un plan de investigadores de la Iowa State University.
pepa garcía

Banco deAlternativas a la vivisección - Humane Dissection Alternatives : Anim... - 0 views

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    Ofrecen en esta web alternativas para el estudio de los animales. Son programas que pueden ser prestados, pero a cambio de fianza.
pepa garcía

Carnism: Why Eating Animals Is a Social Justice Issue | One Green Planet - 0 views

  • Widespread ambivalent, illogical attitudes toward a group of others are almost always a hallmark of an oppressive ideology. Oppressive ideologies require rational, humane people to participate in irrational, inhumane practices and to remain unaware of such contradictions. And they frame the choices of those who refuse to participate in the ideology as “personal preferences” rather than conscientious objections.
  • It is essential that those of us who espouse progressive values and thus support social justice initiatives recognize the paradoxical mentality of meat. Because although this mentality is pervasive, it is not inherent in our species—it is the product of an oppressive ideology so entrenched that it is invisible, its tenets appearing to be universal truths rather than ideologically driven assumptions. This ideology shapes and is shaped by the same type of mentality that enables other oppressions, and it is therefore essential to address if we hope to create a more just social order. Eating animals is not simply a matter of personal ethics; it is the inevitable end result of a deeply entrenched, oppressive ism. Eating animals is a social justice issue.
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