The traditionally cumbersome yet widely-used Birch reduction can now be carried out in a mere minute in air using an optimized mechanochemical approach.
Biochemistry
Apr 7, 2023
2
246
(PhysOrg.com) -- Tiny fossil teeth discovered in Inner Mongolia are a new species of birch mouse, indicating that ancestors of the small rodent are much older than previously reported, according to paleontologist Yuri Kimura, ...
Archaeology
May 24, 2011
5
0
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
A new study has shown there could be around eight to ten times as many ancient and veteran trees in England than currently recorded, with estimates ranging from 1.7 to 2.1 million, compared to the 115,000 currently on record.
Plants & Animals
Jun 30, 2022
0
1160
A new study is shaking up what scientists thought they knew about distant objects in the far reaches of the solar system, starting with an object called the space snowman.
Planetary Sciences
Mar 31, 2024
4
56
(PhysOrg.com) -- Tundra shrubs can reduce the thawing of permafrost caused by climate change. This unexpected finding is from research done by Wageningen University in the Siberian tundra. It means that shifts in the plant ...
Environment
Apr 13, 2010
1
0
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
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
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
A 15-year experiment on Arctic shrubs in Greenland lends new understanding to an enduring ecological puzzle: How do species with similar needs and life histories occur together at large scales while excluding each other at ...
Ecology
Feb 1, 2021
0
105
