In the 1860s, the chemists, Lothar Meyer and Dmitri Mendeleev, independently presented the first periodic system. Since then, the well-known tabular arrangement of the elements has been the guiding principle of chemistry. ...
Materials Science
Aug 1, 2022
0
174
Located near Naples, Italy, Vesuvius last had a violent eruption in 1944, towards the end of the Second World War. It could be a few hundred years before another dangerous, explosive eruption occurs, finds a new study by ...
Earth Sciences
Jan 20, 2022
1
86
The evolving periodicity of the brightness of certain types of stars can now be described mathematically.
Mathematics
Apr 26, 2021
0
718
ANU Archeologists have discovered a rare child burial dating back 8,000 years on Alor Island, Indonesia.
Archaeology
Nov 3, 2020
0
13066
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
LISA Pathfinder, a mission led by ESA (the European Space Agency) that included NASA contributions, successfully demonstrated technologies needed to build a future space-based gravitational wave observatory, a tool for detecting ...
Space Exploration
Nov 18, 2019
1
360
Fluctuations in the orbital parameters of the Earth are considered to be the trigger for long-term climatic fluctuations such as ice ages. This includes the variation of the inclination angle of the Earth's axis with a cycle ...
Earth Sciences
May 22, 2019
0
46
Guy Middleton, a historian at the Czech Institute of Egyptology at Charles University in Prague, has angered members of the group who successfully pushed for the creation of a new unit of geological time called the Meghalayan ...
Millenia ago, ancient farmers cleared land to plant wheat and maize, potatoes and squash. They flooded fields to grow rice. They began to raise livestock. And unknowingly, they may have been fundamentally altering the climate ...
Earth Sciences
Sep 6, 2018
74
1431
A team of geologists at the University of Rochester has discovered a new species of bird in the Canadian Arctic. At approximately 90 million years old, the bird fossils are among the oldest avian records found in the northernmost ...
Archaeology
Dec 19, 2016
0
51
