Eldest children better at IQ tests

As a first child what can I say…I knew it all along? :P

Firstborn children score significantly higher in IQ tests than their younger siblings, according to a large study of 250,000 military draftees in Norway.

The researchers say the difference is due to social, not biological, factors, as younger siblings have higher IQs if they are raised as an eldest child following the death of an older brother or sister. The findings could suggest better ways of parenting the youngest children in a family.

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A Game Theory Analysis of Leaving the Toilet Seat Down

Not for those people who are afraid of maths or logic arguments.

For “mankind”, the analysis in this paper has the following appeal: Once again, it has been found that the social norm of leaving the toilet seat down is inefficient; hence, “mankind” may feel vindicated.

For “womankind”, the analysis in this paper is appealing for the following reason: It has been shown that the social norm of leaving the seat down is a trembling-hand perfect equilibrium. Hence, this norm is not likely to go away, at least in the near future.

Full article link (via 3quarksdaily)