The families of two girls from the Western Isles missing after attending the concert in Manchester targeted in a terror attack have issued appeals on social media.
First-Born Children 'Smarter Than Siblings'
First-born children are smarter than their younger siblings, according to new research.
Economists at the University of Edinburgh have waded into the age-old debate and concluded that first-borns have a higher IQ test score than their siblings as early as age one.
Researchers said the findings could be explained by first-born children receiving more mental stimulation and support in developing thinking skills from their parents during their early years.
The findings, published in the Journal of Human Resources, could help explain the so-called birth order effect when older siblings in a family enjoy better wages and more education in later life, according to researchers.
The study, conducted in partnership with Analysis Group and the University of Sydney, examined data from the US Children of the National Longitudinal Survey of Youth collected by the US Bureau of Labour Statistics.
Almost 5,000 children were observed from pre-birth to 14 years old on their family background and economic conditions and assessed every two years on skills including reading and picture vocabulary.
Researchers applied statistical methods to the economic data to analyse how parental behaviour such as smoking and drinking during pregnancy was related to their child's test score.
It was found that mothers took "higher risks'' during the pregnancy of latter-born children and parents offered less mental stimulation to younger siblings and took part in fewer activities such as reading, crafts and playing musical instruments.
Dr Ana Nuevo-Chiquero, of the University of Edinburgh's School of Economics, said: "Our results suggest that broad shifts in parental behaviour are a plausible explanation for the observed birth order differences in education and labour market outcomes.''
Crews were called to the former Royal Victoria Hospital site this afternoon.
John Bermingham was also accused of assault and a breach of a Sexual Offences Prevention Order.
18 year old Asten Jones was killed in the collision on Sunday.
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