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2024

Новости за 12.04.2024

AI is giving boost to crop improvement research

Phys.org 

What is the role of artificial intelligence for crop improvement? Questions about artificial intelligence are becoming more pressing in every discipline. For crop improvement, AI provides a new lens to bridge science and practice, according to Jianming Yu, one of the world's top-ranked scientists in the fields of quantitative genetics and plant breeding.

Decoding the language of cells: Profiling the proteins behind cellular organelle communication

Phys.org 

In cellular biology, unraveling the complexities of cellular function at the molecular level remains a paramount endeavor. Significant scientific focus has been placed on understanding the interactions at organelle contact sites, especially between mitochondria and the endoplasmic reticulum (ER). These sites are critical hubs for the exchange of essential biomolecules, such as lipids and calcium, which are vital for maintaining cellular homeostasis.

A new type of seismic sensor to detect moonquakes

Phys.org 

During the Apollo missions of the 1970s, several seismometers were flown to the moon, where they collected data on lunar seismic trembling for eight years. The data showed some lunar quakes were as powerful as a magnitude 5.



Can toothpaste tubes be recycled across the US? It's getting closer

Phys.org 

Toothpaste tubes and other squeezable plastic containers are getting closer to being more sustainable in the U.S. Some 90% of toothpaste tubes on the market are now made in a way that makes them compatible for recycling with HDPE, the same plastic used for products like shampoo bottles, according to research firm Stina Inc.

Bonobos are more aggressive than previously thought, study shows

Phys.org 

Chimpanzees and bonobos are often thought to reflect two different sides of human nature—the conflict-ready chimpanzee versus the peaceful bonobo—but a new study published in Current Biology shows that, within their own communities, male bonobos are more frequently aggressive than male chimpanzees. For both species, more aggressive males had more mating opportunities.

Macroalgae genetics study sheds light on how seaweed became multicellular

Phys.org 

A deep dive into macroalgae genetics has uncovered the genetic underpinnings that enabled macroalgae, or "seaweed," to evolve multicellularity. Three lineages of macroalgae developed multicellularity independently and during very different time periods by acquiring genes that enable cell adhesion, extracellular matrix formation, and cell differentiation, researchers report in the journal Molecular Plant.

Despite what you might hear, weather prediction is getting better, not worse

Phys.org 

Australia's weather bureau copped harsh criticism after El Niño failed to deliver a much-vaunted dry summer in eastern Australia. Parts of northern Queensland in the path of Tropical Cyclone Jasper had a record wet December and areas of central Victoria had a record wet January. Overall, the summer was 19% wetter than average for Australia as a whole.

New tidal stellar stream discovered with Gaia

Phys.org 

By analyzing the data from ESA's Gaia satellite, Chinese astronomers have detected a new tidal stellar stream in the northern hemisphere, which has a low metallicity and a relatively high energy. The finding was reported in a research paper published April 1 in The Astrophysical Journal.

Evidence of a new subatomic particle observed

Phys.org 

The BESIII collaboration have reported the observation of an anomalous line shape around ppbar mass threshold in the J/ψ→γ3(π+π-) decay, which indicates the existence of a ppbar bound state. The paper was published online in Physical Review Letters.

Developing a machine learning model to explore DNA methylation

Phys.org 

A Northwestern Medicine study has detailed the development of a machine learning model to predict DNA methylation status in cell-free DNA by its fragmentation patterns, according to findings published in Nature Communications.

Novel hydrogel removes microplastics from water

Phys.org 

Microplastics pose a great threat to human health. These tiny plastic debris can enter our bodies through the water we drink and increase the risk of illnesses. They are also an environmental hazard; found even in remote areas like polar ice caps and deep ocean trenches, they endanger aquatic and terrestrial lifeforms.

As climate change progresses, new rainfall patterns may affect plants worldwide

Phys.org 

April showers are increasingly becoming deluges due to climate change, and May flowers will never be the same. And it's not just April; the warming of the planet is causing a year-round, worldwide trend toward more intense but less frequent rainfalls, a dynamic that will increasingly impact plants worldwide, according to a University of Maryland-led study published in Nature Reviews Earth & Environment.

3D microelectrode chip helps soil nutrient analysis

Phys.org 

Researchers have developed a novel microfluidic chip with capacitively coupled contactless conductivity detection (C4D) integrated 3D microelectrodes to rapidly and quantitatively determine abundant nutrient ions in soil.





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