A team of researchers for the first time has found a correlation between the levels of bacteria and fungi, the gut microbiome, in the gastrointestinal tract of children and the amount of common household chemicals found in their home environment. The work, published this month in Environmental Science and Technology Letters, could lead to a better ...
A plant used in traditional Chinese medicine has evolved to become less visible to humans, new research shows. Scientists found that Fritillaria delavayi plants, which live on rocky slopes of China’s Hengduan mountains, match their backgrounds most closely in areas where they are heavily harvested. This suggests humans are “driving” the evolution of this species into new color ...
Giant planets that developed early in a star system’s life could solve a mystery of why spiral structures are not observed in young protoplanetary discs, according to a new study by University of Warwick astronomers. The research, published in the Astrophysical Journal Letters and partially supported by the Royal Society, provides an explanation for the lack of ...
New data from the NASA/ESA Hubble Space Telescope provides further evidence for tidal disruption in the galaxy NGC 1052-DF4. This result explains a previous finding that this galaxy is missing most of its dark matter. By studying the galaxy’s light and globular cluster distribution, astronomers have concluded that the gravitational forces of the neighboring galaxy ...
It appears that gravity affects genes Living at low gravity affects cells at the genetic level, according to a study of worms in space. Genetic analysis of Caenorhabditis elegans worms on the International Space Station showed “subtle changes” in about 1,000 genes. Gravity affects genes in the low gravity conditions of space travel Stronger effects were found in some ...
Thunderstorms often provoke violent cloud bursts that can result in devastating flooding. But what actually spawns thunderstorms and cloud bursts? This question has spurred a new study by researchers with surprising results. These powerful storms are weather disturbances characterized by concentrations of thunder, lightning, and fierce winds. When they accumulate in clusters, these storms are ...
Analyzing 12 ancient Egyptian papyri fragments with X-ray microscopy, University of Copenhagen researchers were surprised to find previously unknown lead compounds in both red and black inks and suggest they were used for their drying properties rather than as a pigment. A similar lead-based “drying technique” has also been documented in 15th-century European painting, and ...
The uranium-bearing mineral zircon is an abundant constituent of Earth’s continental crust, providing information about the age and origin of the continents and large geological features such as mountain chains and giant volcanoes. But unlike Earth, the crust of Mars is not evolved and is compositionally similar to the crust found under the Earth’s oceans, ...
Life is deeply dependent on water, but where does it come from? Based on new research, researchers believe it may emerge in connection with the formation of planets. The emergence of life is a mystery. Nevertheless, researchers agree that water is a precondition for life. The first cell emerged in water and then evolved to ...
Researchers from the University of Bath and the Natural History Museum London say that had the impact not happened, dinosaurs might have continued to dominate the Earth. Dinosaurs were widespread globally at the time of the asteroid impact at the end of the Late Cretaceous period, occupying every continent on the planet and were the ...
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