Why are people left or right handed?

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Left-handed? Researchers analysed genetic data from 1.7 million people to figure out why

About 10 per cent of Australians are left-handed and genetic analysis of more than 1.7 million people has brought scientists a step closer to understanding why.

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I am left-handed and ambidextrous for some tasks and found nothing in this article of any use.

But it is a good topic! My brother is a left-handed red head who has brown eyes and tans, no freckles, even. A Grateful Dead-head, that is truly weird, but such a charmer that everyone loves him, even when he steals their beer.

And a great hockey player, also, until he got his leg broken by a puck, because the borrowed leg guards for an unanticipated game were too short for his 6'2" frame.

Is he up for adoption? He can come and live with me anytime 

He moved back from the mountains of Utah, where he lived in an actual teepee on his employer friend's property. The friend died in a mountain bike accident, and he stayed on.

He took care of his friend's wife for some years, they fell in love, and now they moved into the woods of Minnesota, so I think he is unavailable for adoption.

I think that lefties have different powers, and a great ability to do things unexpected and use items that are not manufactured for their use.  Makes for a better spacial sense, maybe? I mean having to be adaptable.

Analysis

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The mystery of why blue flowers are so rare

Through a bee's eyes, blue flowers are more common than you'd think - and they could be used to monitor environmental health, writes Adrian Dyer.

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