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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, ...

Archaeology Jun 21, 2024

After ISIS bombs, an urgent call to preserve an ancient Syrian temple

The Temple of Bel stands in the ancient Syrian city of Palmyra, adjoining a desert oasis with palm trees and bountiful water. Constructed in the first two centuries of the Common Era, the temple served for nearly two thousand ...

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.

General Physics Jun 21, 2024

Focusing micromechanical polaritons in topologically nontrivial hyperbolic metasurfaces

Dr. Johan Christensen, leader of IMDEA Materials Institute's Mechanical and Acoustic Metamaterials research group, is among the researchers behind a pioneering study exploring the topological properties of metamaterials.

Plants & Animals Jun 21, 2024

New insights into methyl jasmonate-induced saponin biosynthesis in the balloon flower

Platycodon grandiflorus, commonly known as balloon flower, is renowned for its medicinal properties, primarily due to its rich saponin content. Saponins are known for their anti-inflammatory, anti-cancer, and immune-boosting ...

Molecular & Computational biology Jun 21, 2024

Unlocking broccoli's genome: Key to enhanced health benefits

Broccoli is renowned for its health benefits, primarily due to its rich glucosinolate (GSL) content, which has anti-carcinogenic and antioxidant properties. Despite extensive studies on Brassica species, the genetic basis ...

Plants & Animals Jun 21, 2024

How a biocatalyst might boost the growth of microalgae

Living organisms consist to a large extent of carbon (C) and nitrogen (N) compounds. These have to be taken in with food or, in the case of plants, produced through photosynthesis.

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 ...

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