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Environment 13 hours ago

Atmospheric observations in China show rise in emissions of a potent greenhouse gas

To achieve the aspirational goal of the Paris Agreement on climate change—limiting the increase in global average surface temperature to 1.5 degrees Celsius above preindustrial levels—will require its 196 signatories ...

Astronomy 13 hours ago

Three-year study of young stars with NASA's Hubble enters new chapter

In the largest and one of the most ambitious Hubble Space Telescope programs ever executed, a team of scientists and engineers collected information on almost 500 stars over a three-year period. This effort offers new insights ...

Evolution 13 hours ago

Comprehensive study explores influence of gene expression on primate brain evolution

An interdisciplinary team of researchers led by biologists at the University of Massachusetts Amherst recently published the results of a first-of-its-kind study investigating the links between gene expression and brain evolution ...

Condensed Matter 14 hours ago

Magnetic avalanche triggered by quantum effects: 'Barkhausen noise' detected for first time

Iron screws and other so-called ferromagnetic materials are made up of atoms with electrons that act like little magnets. Normally, the orientations of the magnets are aligned within one region of the material but are not ...

Plants & Animals 14 hours ago

Impact of synbiotic supplements on the gut microbiome and overall health of penguins

The gut microflora plays a pivotal role in the overall well-being of all living organisms. Like their multifaceted and beneficial role in humans, the role of the gut microbiome in maintaining health, behavior, and ecology ...

Analytical Chemistry 14 hours ago

Promising advances in organosilica membranes for separating organic liquid mixtures

In many chemical-related industries, such as pharmaceuticals, oil refineries, and food and beverage factories, separating organic liquid mixtures is an essential step. A staple method to achieve this is distillation, which ...

Ecology 14 hours ago

Ecologists call for strengthening nature-based climate solutions at the federal level

U.S. scientists and policy experts with a broad range of expertise in the fields of climate and ecosystem sciences have outlined key recommendations aimed at bolstering the scientific foundation for implementation of nature-based ...

Political science 14 hours ago

Preventive drone attacks based on digital traces are a gray area under international law

Identifying terrorists by analyzing their online activities is an approach that is sometimes at odds with international law, especially if the outcome is death. A study has documented this problematic legal and ethical issue.

Plants & Animals 14 hours ago

Identifying tropane alkaloid types in Hyoscyamus niger L.

Researchers conducted a study on tropane alkaloids (TAs), crucial natural compounds found abundantly in various plant families. TAs, often toxins, include major ones like L-hyoscyamine, atropine, and scopolamine, each with ...

Environment 15 hours ago

Direct and indirect consumption activities drive urban-rural inequalities in air pollution-related mortality in China

Household consumption in China is associated with substantial PM2.5 pollution through activities directly (i.e., fuel use) and/or indirectly (i.e., consumption of goods and services) causing pollutant emissions. Urban and ...

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