An oil painting is not a permanent and unchangeable object, but undergoes a very slow change in the outer and inner structure. Metal soap formation is of great importance. Joen Hermans has managed to recreate the molecular ...
Materials Science
May 16, 2017
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11
Most young people in the youth justice system have been found to come from "troubled" backgrounds. However, many people with similar backgrounds don't ever end up in youth justice services.
Social Sciences
May 16, 2017
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4
Unicellular algae, to which the so-called dinophytes belong, are important primary producers in marine and freshwater habitats and, as such, they provide a vital source of food for other organisms. They also serve as indicator ...
Plants & Animals
May 16, 2017
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4
Only a few animal species such as New Caledonian crows or some primates have so far been found to habitually use tools. Even fewer can manufacture their own tools. Nevertheless, the Goffin's cockatoo, an Indonesian parrot, ...
Plants & Animals
May 16, 2017
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30
There are few things more exciting for a professional palaeontologist than discovering fossil remains. In early 2017 I found a beautifully preserved skeleton sticking out of the ground in South Africa's Karoo region. It was ...
Archaeology
May 16, 2017
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5
According to archaeologists, a reopened grave usually indicates grave robbery. Martine van Haperen, however, draws a different conclusion. Mediaeval people presumably reopened graves to strengthen the ties with their family ...
Archaeology
May 16, 2017
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217
Cheetahs are Africa's rarest big cat. Only an estimated 7,000 individuals are thought to survive in the wild. They're spread across 32 populations covering a vast area of more than 3 million square kilometres. Cheetah densities ...
Plants & Animals
May 16, 2017
0
172
Low clouds populate the first two kilometers of the atmosphere. Cumuliform clouds heap high and are made from columns of fast-rising air. Stratiform are sheet-like and show little vertical air movement.
Earth Sciences
May 16, 2017
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8
Forget sharp suits and shoulder pads – for most employees the ideal leader actually looks exactly like them, not the designer-clad employer often portrayed in TV or films, according to a new study.
Social Sciences
May 16, 2017
0
4
For the first time in 500 years, scientists examining human remains from Henry VIII's flagship Mary Rose will be able to determine if any bones come from the same person.
Archaeology
May 16, 2017
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