Trees are known for their great, but not unlimited, trunk height and diameter. They have evolved to develop a heavy above-ground biomass, but this integral feature poses a challenge to the trunk's stability.
Plants & Animals
Jan 30, 2020
0
20
Scientists from the University of Bristol and the British Museum, in collaboration with Oxford Archaeology East and Canterbury Archaeological Trust, have, for the first time, identified the use of birch bark tar in medieval ...
Archaeology
Dec 19, 2019
0
142
Birch bark tar, the oldest glue in the world, was in use for at least 50,000 years, from the Palaeolithic Period up until the time of the Gauls. Made by heating birch bark, it served as an adhesive for hafting tools and decorating ...
Archaeology
Nov 13, 2019
0
323
A team of researchers affiliated with several institutions in The Netherlands has found evidence in small a cutting tool of Neanderthals using birch tar. In their paper published in Proceedings of the National Academy of ...
As climate change continues to cause temperatures to rise, the breeding patterns of birds such as blue tits are being altered as evenings in spring get warmer, researchers say.
Plants & Animals
Oct 16, 2019
1
18
Neanderthals and other early humans produced a tarry glue from birch bark; this was long considered proof of a high level of cognitive and cultural development. Researchers had long believed that birch tar—used by the Neanderthals ...
Archaeology
Aug 20, 2019
1
1272
Before being colonised by the Vikings, Iceland was lush with forests but the fearsome warriors razed everything to the ground and the nation is now struggling to reforest the island.
Environment
Jul 17, 2019
13
21885
If you've ever stopped to admire a birch tree, you may unknowingly have something in common with a 5,300-year-old mummy called Ötzi. In 1991, hikers found Ötzi in an alpine glacier on the Austrian-Italian border, and perfectly ...
Plants & Animals
May 31, 2019
0
89
The first humans who settled in Scandinavia more than 10,000 years ago left their DNA behind in ancient chewing gum, masticated lumps made from birch bark pitch. This is shown in a new study conducted at Stockholm University ...
Archaeology
May 15, 2019
3
1692
Forests of silver birch stretch across Europe, and they are a wonder to behold: stands of slender, white-barked trees sheltering vast swathes of earth.
Biotechnology
May 8, 2017
0
197
