The Pakistani popcorn seller who built his own plane

The engine is from a roadcutter, the wings are burlap, the wheels are borrowed from a rickshaw: a popcorn seller has caught the attention of the Pakistan Air Force by building his own plane.

Sibling rivalries lead to friendly finches

A new study has revealed that growing up with lots of siblings – and fighting over food – makes zebra finches more sociable in later life. In contrast, finches with fewer siblings become pickier about who they hang out ...

A solar sibling identical to the sun

An international team led by Instituto de Astrofísica e Ciências do Espaço (IA) researcher Vardan Adibekyan used a novel method to detect solar siblings. The article was published in the journal Astronomy & Astrophysics.

Birds help each other partly for selfish reasons

Up to now, researchers have believed that birds stay at home and altruistically help raise younger siblings because this is the only way to pass on genes when you cannot breed yourself. But this idea is only partially true. ...

Later-borns choose less prestigious programmes at university

First-born children tend to choose more prestigious university programmes such as medicine or engineering than their later-born siblings. These are the findings of a new study published in the science journal Social Forces ...

How the sibling shaped modern views

In Stefani Engelstein's new book, "Sibling Action: The Genealogical Structure of Modernity," the author argues that a genealogical way of thinking about global relations emerged in the nineteenth century. This way of thinking ...

Young birds less honest when competing against siblings

Chicks that are competing with siblings or whose parents are likely to die or switch partners tend to be less honest when begging for food, research into sibling rivalry in birds by Oxford University scientists has found.

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