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2 yrs

Model suggests how ancient RNA may have gained self-cutting ability essential for life

Model suggests how ancient RNA may have gained self-cutting ability essential for life

Scientists have long pondered the beginnings of life on Earth. One theory is that RNA‚ which is ubiquitous across all domains of life‚ played a central role in early life. Similar to DNA‚ RNA possesses the ability to store genetic information. However‚ to initiate life's processes‚ early RNA must have also possessed the capability to self-replicate and catalyze biochemical reactions independently‚ without the assistance of specialized enzymes.

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2 yrs

Going 'back to the future' to forecast the fate of a dead Florida coral reef

Going 'back to the future' to forecast the fate of a dead Florida coral reef

Rising temperatures and disease outbreaks are decimating coral reefs throughout the tropics. Evidence suggests that higher latitude marine environments may provide crucial refuges for many at-risk‚ temperature-sensitive coral species. However‚ how coral populations expand into new areas and sustain themselves over time is constrained by the limited scope of modern observations.

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2 yrs

How extratropical ocean-atmosphere interactions can contribute to the variability of jet streams

How extratropical ocean-atmosphere interactions can contribute to the variability of jet streams

The interaction between the oceans and the atmosphere plays a vital role in shaping the Earth's climate. Changing sea surface temperatures can heat or cool the atmosphere‚ and changes in the atmosphere can do the same to the ocean surface. This exchange in energy is known as "ocean-atmosphere coupling."

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2 yrs

Song lyrics have become simpler and more repetitive since 1980‚ study finds

Song lyrics have become simpler and more repetitive since 1980‚ study finds

The lyrics of English-language songs have become simpler and more repetitive over the past 40 years‚ according to a study published in Scientific Reports.

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2 yrs

More than half of Colorado River's water used to irrigate crops‚ assessment shows

More than half of Colorado River's water used to irrigate crops‚ assessment shows

Irrigation for agriculture uses more than half of the Colorado River's total annual water flow‚ reports a paper published in Communications Earth &; Environment. This finding is part of a new comprehensive assessment of how the Colorado River's water is consumed—including both human usage and natural losses—and provides a more complete understanding of how the river's water is used along its over 2‚300 km (almost 1‚500-mile) length.

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2 yrs

New method provides automated calculation of surface properties in crystals

New method provides automated calculation of surface properties in crystals

Computer-based methods are becoming an increasingly powerful tool in the search for new materials for key technologies such as photovoltaics‚ batteries‚ and data transmission. Prof. Dr. Caterina Cocchi and Holger-Dietrich SaÃŸnick from the University of Oldenburg in Germany have now developed a high-throughput automatized method to calculate the surface properties of crystalline materials starting directly at the level of established laws of physics (first principles).

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2 yrs

Cross-species insights: Study finds calcium link in plant and animal immunity

Cross-species insights: Study finds calcium link in plant and animal immunity

A new study provides insights into how a family of immune proteins in plants confers disease resistance. The study builds on previous research by the same research group‚ which highlighted the structural similarities of this protein family between plant and animal immune systems.

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2 yrs

Storing electrons from hydrogen for clean chemical reactions

Storing electrons from hydrogen for clean chemical reactions

Researchers from Kyushu University have developed a hydrogen energy carrier to address some of the biggest hurdles in the path toward a sustainable hydrogen economy. As explained in a paper published in JACS Au‚ this novel compound can efficiently "store electrons" from hydrogen in a solid state to use in chemical reactions later.

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2 yrs

When inequality is more than 'skin-deep': Social status leaves traces in the epigenome of spotted hyenas in Tanzania

When inequality is more than 'skin-deep': Social status leaves traces in the epigenome of spotted hyenas in Tanzania

In mammals‚ social behavior and social status can substantially influence the survival‚ reproductive performance‚ and health of individuals. However‚ it is not yet fully understood how the translation of social and environmental factors into the physiology of an organism is reflected in molecular processes.

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2 yrs

From Earth to Mars: Transporting spin information at the speed of light

From Earth to Mars: Transporting spin information at the speed of light

Scientists have used electrical pulses to manipulate magnetic information into a polarized light signal‚ a discovery that could revolutionize long-distance optical telecommunications‚ including between Earth and Mars.

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