05-21-2014, 09:08 AM
an interesting analysis
enjoy
first born
http://pbskids.org/itsmylife/family/birt...icle2.html
middle
http://pbskids.org/itsmylife/family/birt...icle3.html
last
http://pbskids.org/itsmylife/family/birt...icle4.html
only
http://pbskids.org/itsmylife/family/birt...icle5.html
enjoy
first born
http://pbskids.org/itsmylife/family/birt...icle2.html
middle
http://pbskids.org/itsmylife/family/birt...icle3.html
last
http://pbskids.org/itsmylife/family/birt...icle4.html
only
http://pbskids.org/itsmylife/family/birt...icle5.html