Bipedalism is a demanding and risky strategy. It means refashioning the pelvis into a full load-bearing instrument. To preserve the required strength, the birth canal in the female must be comparatively narrow. This has two very significant immediate consequences and one longer-term one. First, it means a lot of pain for any birthing mother and greatly increased danger of fatality to mother and baby both. Moreover, to get the baby's head through such a tight space it must be born while it's brain is still small - and while the baby, therefore, is still helpless. This means long-term infant care, which in turn implies solid male-female bonding.

Eventually living in North Yorkshire and mainly working as a journalist Bryson became chief copy editor of the business section of The Times and then deputy national news editor of the business section of The Independent. ) (1999)
Down Under (UK) / In a Sunburned Country (U. "
In November 2006 Bryson interviewed the then British Prime Minister Tony Blair on the state of science and education.

He received widespread recognition again with the publication of A Short History of Nearly Everything (2003) which popularised scientific questions for a general audience. Bryson shot to prominence in the United Kingdom with the publication of Notes From A Small Island (1995) an exploration of Britain for which he made an accompanying television series. Born an American he was a resident of Britain for most of his adult life before returning to the US in 1995.