The Jehol Biota is well known for producing exceptionally preserved specimens of feathered dinosaurs, early birds, mammals, as well as insects and early flowering plants. However, the lack of precise age constraints on the early period hinders our understanding of the timing of critical ecological differentiation and radiation, as well as their relationship with ecological ...
Widespread hot extremes have been seen throughout the world in recent years, causing heat-related mortality and harming crops and livestock. In summer 2018, a record-breaking heatwave swept across large areas of Northeast Asia. The China Meteorological Administration issued high-temperature warnings for 33 consecutive days. In Japan, at least 71,266 people required hospitalization for heatstroke. To ...
Water and its interactions with other substances are essential to human life. However, understanding the structure of the liquid and its hydrogen-bonding networks has been a challenge. According to previous studies, all oxygen atoms in water trimers, tetramers, and pentamers with cyclic minimum-energy structures exist in a two-dimensional (2D) plane. In contrast, the hexamers have ...
Plant diversity affects soil properties, which in turn, affects plant productivity. Soil quality (SQ) includes the assessment of soil properties and its processes related to the ability of soil to function effectively as a component of a healthy ecosystem. However, almost no studies have reported on the relationship between plant diversity and SQ under different ...
Grazing exclusion using fences has been applied to rehabilitate degraded grasslands on the Tibetan Plateau (TP) and elsewhere. However, there is a limited understanding of the effects of grazing exclusion on alpine ecosystem functions and services and its impacts on herders’ livelihoods. A research team led by Dr. SUN Jian from the Institute of Geographic ...
Newly released genomic research from Neolithic East Asia has unveiled a missing piece of human prehistory, according to a study conducted by Prof. FU Qiaomei’s team from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences. The study, published in Science, reveals that population movement played a profound role in ...
What nitrogen is getting up to in permafrost soils may exert great feedback on climate change, which overturns what researchers have long believed, according to a Sino-German joint study. Nitrogen is a constituent part of nitrous oxide (N2O) — an often overlooked greenhouse gas — and there is a vast amount of nitrogen stored in ...
The 250-million-year-old cracks in the seafloor feed the greenhouse gas methane into giant craters in the Barents Sea. More than 100 craters, presently expelling enormous amounts of greenhouse gas into the ocean, are found in the area. A CAGE paper published in Science in 2017 described hundreds of massive, kilometer-wide, craters on the ocean floor ...
An international team of researchers has found that neon inside a certain massive star can eat so many electrons in the core, a process called electron capture, that it causes the star to collapse into a neutron star and produce a supernova. The researchers were interested in studying the final fate of stars within a ...
New research into the evolutionary history and prehistoric migrations of hyenas reveals surprising similarities between them and prehistoric humans. The results from the University of Copenhagen and the University of Potsdam also indicate that humans had a detrimental effect on hyena populations about 100,000 years ago. Prehistoric humans left Africa for the first time about ...
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