03 MAR 2014 by ideonexus

 Why Social Networks Fail

Identity management is what we all do, every day, consciously or unconsciously. We do it in-person, in face-to-face meetings at work, with our friends, and yes, even with our partners and lovers. But we do the vast majority of it consciously online. Identity management is simply the curation of the details of your life — what you choose to share, when and with whom. We’re doing it when we share a link on Facebook, or a video on YouTube. What network do we share this with? Who will see it? Wh...
Folksonomies: social networking
Folksonomies: social networking
  1  notes

Because eventually you have so many friends that you can't post anything without fear of offending someone and the image-management becomes to stressful.

08 JUN 2011 by ideonexus

 The Discover of Bisphenol A's Deleterious Effects on Embryos

In fact, an early clue to the potential risks posed by plastic was discovered entirely by accident. In August of 1998, Washington State University geneticist Patricia Hunt found herself baffled by an unexpected development in her lab. Hunt was using experiments on lab mice to explore why the eggs of older women are more likely to produce children with chromosomal abnormalities such as Down syndrome. The research was coming along well when suddenly the eggs of her control animals—the normal, h...
  1  notes

The story of how Patricia Hunt accidentally made this discovery.

03 MAY 2011 by ideonexus

 Environmental Influence on Gender

There are many well-established natural factors that bias the sex ratio of human offspring, proving that it is at least possible. The most famous is the returning-soldier effect. During and immediately after major wars, more sons are born than usual in the belligerent countries as if to replace the men that died. (This would make little sense; the men born after wars will mate with their contemporaries, not with those widowed by the war). Older fathers are more likely to have girls, but older...
  1  notes

Various environmental stresses that cause pregnancies to produce more females.