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כתבות אחרונות מאתר 'Phys'
Phys

Hydraulic traits reveal why some mountain trees move uphill while others shift downhill‎

As global temperatures rise, scientists have largely assumed that mountain tree species will move uphill in search of cooler conditions. A new study published in Nature Climate Change reveals a more complex reality: Some tree species are moving uphill, while others are shifting downhill, and the key to understanding these contrasting responses lies in how trees manage water.

22:41
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Phys

Boron layers could set a superconductivity record, theoretical study predicts‎

Scientists in China predict that stacking two microscopic layers of boron could set a new record for superconductivity. Superconductors are materials that conduct electricity with zero resistance. Traditional types need temperatures close to absolute zero to work, requiring complex and expensive cooling equipment.

22:28
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Phys

New platform speeds bacterial gene mapping for better biotech design‎

Scientists at the Department of Energy's Oak Ridge National Laboratory have created a platform that pinpoints genetic triggers that turn microbes into efficient factories for new chemicals and materials. The method enables rapid, precise reprogramming of bacteria as biotechnology tools, supporting domestic production of valuable products and recovery of critical minerals and materials to enhance the nation's supply chains and global competitiveness.

22:04
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Phys

Mobile fungal 'Starship' carries protein that triggers crop leaf loss‎

An international research team led by plant scientist Professor Dr. Bart Thomma of the Institute of Plant Sciences at the University of Cologne, the MiBiNet Collaborative Research Center and the CEPLAS Cluster of Excellence for Plant Sciences has identified the region of the genome in the pathogenic fungus Verticillium dahliae responsible for producing a specific protein that the pathogen secretes during infection.

21:43
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Phys

First full zoysia grass genetic blueprint opens doors for drought-tolerant turf‎

A new genomic resource from the Texas A&M AgriLife Research plant genomics team is providing a powerful new foundation for faster, more precise turfgrass genetics and breeding. The team discovered a breakthrough genome that finally reveals the full genetic blueprint of zoysia grass.

21:21
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Phys

The creatures born from code: Generative AI threatens to upend citizen science records‎

You need to tread carefully among the leaf litter of the Indonesian scrubland and its tropical rainforests. The dead leaves might seem caught in a gentle breeze, but there's more here than meets the eye. Try plucking one from the ground and you'll find an insect caught in the act of prayer.

21:05
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Phys

Hidden hormone–habitat relationship revealed in reef fish‎

In the animal kingdom, only those that adapt to their environment survive. This adaptation takes a wide range of forms, from invisible internal shifts in gene expression to dramatic anatomical changes, such as tadpoles growing legs and transitioning to life on land as frogs.

21:05
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Phys

Birdsong and whale song show patterns similar to human language‎

An international team of researchers has uncovered a previously undetected structure in the birdsong of Bengalese finches that has the same statistical patterns found in human languages.

21:05
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Phys

Phages unlock essential vitamin B12 by bursting open gut bacteria‎

All living organisms need vitamin B12 to form red blood cells and DNA, as well as to build and support brain and nerve cells. But it's hard to come by: Humans don't make it. Animals don't make it. Plants don't make it. In fact, this essential nutrient is made exclusively by certain bacteria and archaea.

20:42
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Phys

Photocatalytic method cleaves strong C–H bonds while preserving weaker C–Si bonds‎

α-Silyl alcohols are unique organosilicon compounds bearing a silyl group and a hydroxy group on the same carbon atom. Because these compounds serve as precursors to reactive species, such as carbanions and carbon radicals, they are pivotal building blocks for synthesizing pharmaceuticals and functional materials. However, their synthesis often requires multistep procedures and suffers from poor functional group tolerance. Developing simpler and more versatile synthetic methodologies has therefore become increasingly important.

20:42
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