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General Physics Jun 21, 2024

Key mechanism in nuclear reaction dynamics promises advances in nuclear physics

Researchers have made significant progress in understanding the transfer of neutrons in weakly bound nuclei. The experiment, performed at Legnaro National Laboratory, focused on the one-neutron stripping process in reactions ...

Archaeology Jun 21, 2024

Study challenges popular idea that Easter islanders committed 'ecocide'

Some 1,000 years ago, a small band of Polynesians sailed thousands of miles across the Pacific to settle one of the world's most isolated places—a small, previously uninhabited island they named Rapa Nui. There, they erected ...

Plants & Animals Jun 21, 2024

New AI-driven tool improves root image segmentation

In a world striving for sustainability, understanding the hidden half of a living plant—the roots—is crucial. Roots are not just an anchor; they are a dynamic interface between the plant and soil, critical for water uptake, ...

Earth Sciences Jun 21, 2024

Many more bacteria produce greenhouse gases than previously thought, study finds

Caltech researchers have discovered a new class of enzymes that enable a myriad of bacteria to "breathe" nitrate when in low-oxygen conditions. While this is an evolutionary advantage for bacterial survival, the process produces ...

Earth Sciences Jun 21, 2024

Human activity: A double-edged sword in the face of drought

Earth and environmental scientists have reported that, as human socio-economic activities increase, greenhouse gas emissions will rise, leading to more frequent extreme weather events such as droughts and floods. However, ...

Cell & Microbiology Jun 21, 2024

How E. coli defends itself against antibiotics

Imagine that you have a very sore throat. You're sick, your throat hurts, and a visit to the doctor confirms that the pain is due to a bacterial infection. You get a prescription for antibiotics, which quickly sorts out your ...

Environment Jun 21, 2024

Latin American cattle block road to Paris goals

Dense forest and patchy regulations mean Latin America is struggling to shake off its mantle as the world's leading emitter of greenhouse gas from livestock production.

Analytical Chemistry Jun 21, 2024

Novel catalysts for improved methanol production using carbon dioxide dehydrogenation

Encapsulating copper nanoparticles within hydrophobic porous silicate crystals has been shown by scientists at Tokyo Tech to significantly enhance the catalytic activity of copper-zinc oxide catalysts used in methanol synthesis ...

Plants & Animals Jun 21, 2024

Study dissects histochemical localization and biosynthesis molecular mechanisms of Bletilla striata polysaccharides

The dry pseudobulb of the plant Bletilla striata Rchb. f. (Orchidaceae), spelled BaiJi in Chinese as an important traditional Chinese medicine, has the effects of astringent hemostasis, detumescence, and promotion of muscle ...

Molecular & Computational biology Jun 21, 2024

Blooming through adversity: Roses' genetic defense against salinity stress

A cutting-edge study illuminates the intricate mechanisms of rose plants' resistance to salt stress, a critical issue for global agriculture. The research identifies the phenylpropane pathway, especially flavonoids, as key ...

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