A study of more than 1,400 protein-coding genes of fleas has resolved one of the longest standing mysteries in the evolution of insects, reordering their placement in the tree of life and pinpointing who their closest relatives ...
Plants & Animals
Dec 21, 2020
11
3142
Europe's Great Famine of 1315–1317 is considered one of the worst population collapses in the continent's history. Historical records tell of unrelenting rain accompanied by mass crop failure, skyrocketing food prices, ...
Earth Sciences
Dec 13, 2019
20
536
The world's forests play an important role in mitigating climate change. They are carbon sinks, meaning they absorb more carbon dioxide than they emit. But according to new research, the most prolific tree in North America—the ...
Plants & Animals
Jun 25, 2020
1
326
Combine the tree-ring growth record with historical information, climate records, and computer-model projections of future climate trends, and you get a grim picture for the future of trees in the southwestern United States. ...
Environment
Sep 30, 2012
90
0
A research paper published today in Nature Climate Change predicts widespread death of needleleaf evergreen trees (NET) within the Southwest United States by the year 2100 under projected global warming scenarios.
Environment
Dec 21, 2015
2
415
The capacity of the Amazon forest to store carbon in a changing climate will ultimately be determined by how fast trees die—and what kills them. Now, a huge new study has unravelled what factors control tree mortality rates ...
Environment
Nov 9, 2020
0
258
Over the past 10 years, the death of forest trees due to drought and increased temperatures has been documented on all continents except Antarctica. This can in turn drive global warming by reducing the amount of carbon dioxide ...
Environment
Dec 12, 2011
4
0
(PhysOrg.com) -- A new study led by the U.S. Geological Survey and involving the University of Colorado at Boulder indicates tree deaths in the West's old-growth forests have more than doubled in recent decades, likely from ...
Environment
Jan 22, 2009
7
0
Yellow-cedar, a culturally and economically valuable tree in southeastern Alaska and adjacent parts of British Columbia, has been dying off across large expanses of these areas for the past 100 years. But no one could say ...
Environment
Feb 1, 2012
0
0
Bangladesh has begun planting one million palm trees nationwide to help prevent hundreds of people being killed by lightning strikes every year, a top official said Tuesday.
Environment
Jan 24, 2017
0
166
