When combined with data from tree-ring records, stalagmites can open up a unique archive to study natural climate fluctuations across hundreds of years, a research team including geoscientists from Heidelberg University and ...
Earth Sciences
Jan 17, 2024
0
8
Protoberberine alkaloids are a group of tetracyclic isoquinoline compounds known for their well-established antimicrobial and anti-inflammatory properties. Although protoberberine alkaloids are broadly found in various plant ...
Plants & Animals
Jan 16, 2024
0
13
The discovery of a second ultra-large structure in the remote universe has further challenged some of the basic assumptions about cosmology.
Astronomy
Jan 15, 2024
32
1669
The year of 2023 was the hottest on record, with the increase in Earth's surface temperature nearly crossing the critical threshold of 1.5 degrees Celsius, EU climate monitors said Tuesday.
Environment
Jan 9, 2024
1
16
The origin of Earth and the solar system inspires scientists and the public alike. By studying the present state of our home planet and other objects in the solar system, researchers have developed a detailed picture of the ...
Astronomy
Jan 8, 2024
0
2995
A team of international scientists, armed with the powerful ALMA telescope array in Chile, has unraveled the cosmic mysteries surrounding a dying star, revealing an intricate celestial dance shaped by unusual chemistry.
Astronomy
Jan 4, 2024
0
51
A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus lancensis, was first ...
Evolution
Jan 2, 2024
0
1165
Heterocyclic compounds are organic molecules with a ring structure comprising at least two or more elements. In most cases, these rings are composed of carbon atoms along with one or more other elements such as nitrogen, ...
Analytical Chemistry
Jan 1, 2024
1
136
Forests on the west slope of Oregon's Cascade Range experienced fire much more often between 1500 and 1895 than had been previously thought, according to new research by scientists at Oregon State University.
Ecology
Dec 27, 2023
54
35
Though Saturn's unusual-looking "cup handle" features were first noted by Galileo in 1610, it would be another 45 years before they were described by Christiaan Huygens as a disk surrounding Saturn. Subsequently, ground-based ...
Astronomy
Dec 21, 2023
0
4
