General

VIDEO: What makes badgers so endearing?

BBC test - Fri, 2014-09-12 16:54
As protesters continue their efforts to stop a second year of badger culls, what has made the animal so endearing to the public?
Categories: General

VIDEO: Final preparations for fashion week

BBC test - Fri, 2014-09-12 16:33
The world's fashion industry has descended on the UK capital for London Fashion Week, an event which generates around £98m in orders each season.
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VIDEO: Jacintha's son thanks public

BBC test - Fri, 2014-09-12 16:21
The son of Jacintha Saldanha, who took her own life after a hoax phone call at a hospital where the Duchess of Cambridge was a patient, has thanked the public for their support.
Categories: General

VIDEO: Theatre climbs high for farm show

BBC test - Fri, 2014-09-12 15:09
An unusual theatrical performance is underway on the slopes of Snowdon, where the audience is invited on a 6km hike to see the work of sheep farmers interpreted in music, poetry and dance.
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VIDEO: Moustache man enters beard awards

BBC test - Fri, 2014-09-12 12:44
A moustachioed man from Derbyshire is hoping to be a cut above the rest in the annual British beard championships.
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The rich First World War archive of the Illustrated London News goes online

24 Hour Museum - Fri, 2014-09-12 00:00
The pictures that illustrated the First World War are the star attraction in a new website that mines the archives of the Illustrated London News and Illustrated War News.
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Heritage Open Days 2014: Fourteen places where you can immerse yourself in history

24 Hour Museum - Fri, 2014-09-12 00:00
The ever-expanding festival expects to put on more than 4,000 events this weekend. From gardens and abbeys to swimming pools and football, here are a few of them.
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Can the Science Museum make maths sexy with its new Mathematics Gallery?

24 Hour Museum - Fri, 2014-09-12 00:00
An unprecedented £5 million donation and a world-renowned architect are combining to bring mathematics to life at the Science Museum.
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VIDEO: Tweet to Toynbee: Hope you get cancer

BBC test - Thu, 2014-09-11 14:21
Polly Toynbee says she is careful about writing personal details online after a tweet said: "I hope you get cancer".
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VIDEO: Missing iPhone 'could lead to Alice'

BBC test - Thu, 2014-09-11 13:57
A missing iPhone belonging to missing schoolgirl Alice Gross could hold key information that might help to find her, police have said.
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VIDEO: Warning over dangerous car seats

BBC test - Thu, 2014-09-11 13:05
Parents of young children are being warned about dangerous car seats which are being sold online and fold up on impact.
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AUDIO: Should students learn to cook?

BBC test - Thu, 2014-09-11 12:57
Some parents, concerned about their children's welfare when they go to university for the first time this weekend, have been signing them up for cookery classes.
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Non-dominant hand vital to the evolution of the thumb

Heritage Daily - Thu, 2014-09-11 10:27
Research has unveiled that the non-dominant hand is likely to have played a vital role in the evolution of modern hand morphology.

In the largest experiment ever undertaken into the manipulative pressures experienced by the hand during stone tool production, biological anthropologists analysed the manipulative forces and frequency of use experienced by the thumb and fingers on the non-dominant hand during a series of stone tool production sequences that replicated early tool forms.

It is well known that one of the main distinctive features between humans and our closest evolutionary relatives, the great apes, is the morphology and manipulative capabilities of their hands. The key to this is the considerably larger, stronger and more robust thumb displayed by humans, with such a thumb allowing humans to forcefully and yet dexterously manipulate objects within the hand, an ability first thought to have evolved alongside the earliest stone tool use between 2.6–1.4 million years ago.

Until now however, the evolutionary pressures thought to have selected for this robust thumb anatomy have focused upon the use and production of stone tools with the dominant hand, with the influence exerted by the non-dominant hand having largely been overlooked, despite its vital role in the securing and repositioning of stone nodules (cores/nodules are the piece of raw material from which stone tools are produced).

Structure of the Hand: WikiPedia

In the research, PhD student Alastair Key and his research associate Christopher Dunmore, from the University of Kent’s School of Anthropology and Conservation, showed that the production of stone tools requires the thumb of the non-dominant hand to be considerably stronger and more robust than the fingers.

Their results have been published in the Journal of Human Evolution and demonstrate that the thumb and the non-dominant hand was not only required to exert and resist significantly more force than the fingers when manipulating stone cores, but that it was also recruited significantly more often. Therefore this means that our earliest stone tool production ancestors were likely to have experienced similar recruitment levels, with those individuals displaying a stronger, more robust thumb being more capable stone tool producers and thus having the evolutionary advantage.

 

 

Contributing Source: University of Kent

Header Image Source: WikiPedia

The post Non-dominant hand vital to the evolution of the thumb appeared first on HeritageDaily - Heritage & Archaeology News.

Categories: General

Datchet Village Society Visit Kingsmead Quarry, Horton

Wessex Archaeology - Thu, 2014-09-11 08:33

Yesterday members of the Datchet Village Society visited Kingsmead Quarry, Horton and were taken on a tour of the working quarry and the current archaeological excavations. Liz Young (CEMEX) and Adrian Havercroft (The Guildhouse Consultancy) were on hand to explain aspects of the quarry and how archaeology fits within the planning process. Andrew Manning and Alistair Barclay (Wessex Archaeology) provided a brief introduction to the excavations and an overview of the archaeological discoveries that have been made over the last 10 years. The visitors were then taken on a tour of the current archaeological excavations by site director John Powell. They saw first-hand the excavation of a human burial, another feature full of prehistoric worked flint and the remains of field and enclosure ditches of probable Bronze Age and later date. The tour provided the opportunity to examine some freshly excavated finds and to engage in many lively discussions about geese, gravel and archaeology. 
Categories: General

Artist's Statement: Chris Watson on sexy cheetahs and slumbering elephants

24 Hour Museum - Thu, 2014-09-11 00:00
The sound artist and Cabaret Voltaire founder on blood-stained zebra carcasses in Africa, singing seals in the Arctic and new immersive sound app Nimbus.
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National Portrait Gallery researchers reveal 'airbrushed' Elizabeth I in X-ray of portrait

24 Hour Museum - Thu, 2014-09-11 00:00
The NPG's new Tudor portraits exhibition reveals how X-rays of a portrait of Elizabeth I show how the Queen's portrait was overpainted and prettified in the eighteenth century.
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Open competition lets London homeowners make their house a National Trust property

24 Hour Museum - Thu, 2014-09-11 00:00
In an open competition with four £1,000 prizes, house-proud Londoners are being given the chance to make their home the National Trust's 13th property in the capital.
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Royal Armouries prepares its revolutionary Victorian 64-pounder gun for a rare firing

24 Hour Museum - Thu, 2014-09-11 00:00
The Royal Armouries at Fort Nelson is preparing its great Victorian 64-pounder Rifle Muzzle Loading gun for a rare firing later this month.
Categories: General

VIDEO: Leaders make Scotland 'No' vote plea

BBC test - Wed, 2014-09-10 23:46
Prime Minister David Cameron has made an impassioned plea to keep Scotland in the Union, saying: "I love my country more than I love my party."
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VIDEO: Nominees celebrate Mercury nod

BBC test - Wed, 2014-09-10 23:21
Bombay Bicycle Club, Kate Tempest and FKA twigs are among the 12 acts celebrating after being nominated for the 2014 Barclaycard Mercury Prize.
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