Latest News

Anthrax action shapes up

Researchers find two new leads for anti-anthrax drugs.

As fears over bioterrorism attacks spiral, researchers are making progress towards better anthrax drugs – but these are unlikely to reach the drugstore soon.

Of ten confirmed anthrax cases in the United States by Monday, four have been of the severe, inhaled form against which antibiotics often fail. By the time drugs destroy the bacteria responsible, Bacillus anthracis, the organisms have released enough lethal toxin t

Meat fuelled Midas’ rot

The gold-loving king’s rich diet may have hastened his decay.

Legend says that lust for gold was the cause of King Midas’ downfall. But his appetite for meat may have destroyed the final monument to his greatness 1 .

A mound excavated 44 years ago in Turkey is thought to be the resting place of the eighth-century BC ruler of Phrygia. The large tomb, although built of durable cedar wood, is in surprisingly bad shape, says geophysicist Timothy Filley of the Car

Flies caught napping

Researchers discover two molecules that help fruitflies sleep.

Mutant flies that lack the chemicals sleep more. In mammals the same molecules are also involved in learning and memory, supporting the idea that one function of sleep is to consolidate our record of the day’s experiences 1 .

The molecules are cyclic AMP and CREB, chemical messengers that work within cells. Cyclic AMP activates CREB, which then switches on genes.

Joan Hendricks, of th

Computers spot shape clues

Two techniques may help deduce proteins’ functions.

Imagine trying to guess what machines do just be looking at them. Even a can-opener would pose problems, if you didn’t know about cans. This is the challenge that faces molecular biologists as they try to make sense of protein molecules in the cell.

Two new techniques may help. One deduces a protein’s function from its shape; the other deduces its shape from a list of component parts 1 , 2 .

Felling trees has sky-high price

Deforestation is drying out cloud forests.

“It drips,” says ecologist Robert Lawton, describing the Costa Rican cloud forest, “and it’s plastered with plants of all sizes climbing over each other. Stand still for long and they’re growing on you.”

Now the lush life he describes may be threatened. Satellite pictures show that deforestation at the foot of western Costa Rican mountains is drying out swirling summit mists.

When warm, wet tradewinds blowing off the Caribb

And now December’s weather

Meterologists look up for long-range forecasts.

Looking high into the atmosphere now might tell us whether we’re in for a white Christmas. Unusual stratospheric conditions herald changes in winter weather in the Northern Hemisphere up to two months later, say US researchers 1 .

The finding won’t let your weather forecaster warn you to wrap up warm two months hence, but it may be a valuable addition to meteorologists’ toolkits. “The effect works on average, bu

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Physics and Astronomy

Anomalous magnetic moment of the muon

– new calculation confirms standard model of particle physics. Contribution of hadronic vacuum polarization determined with unprecedented accuracy. The magnetic moment of the muon is an important precision parameter for…

Plasma heating efficiency in fusion devices boosted by metal screens

Technique may prevent formation of unwanted waves that siphon off needed energy. Heating plasma to the ultra-high temperatures needed for fusion reactions requires more than turning the dial on a…

A new class of cosmic X-ray sources discovered

An international team of astronomers, led by researchers from the Astronomical Observatory of the University of Warsaw, have identified a new class of cosmic X-ray sources. The findings have been…

Life Sciences and Chemistry

Molecular gardening: New enzymes discovered for protein modification pruning

How deubiquitinases USP53 and USP54 cleave long polyubiquitin chains and how the former is linked to liver disease in children. Deubiquitinases (DUBs) are enzymes used by cells to trim protein…

Machine learning accelerates catalyst discovery

Conceptual blueprint to analyze experimental catalyst data. Machine learning (ML) models have recently become popular in the field of heterogeneous catalyst design. The inherent complexity of the interactions between catalyst…

Antibodies can improve the rehabilitation of people with acute spinal cord injury

Antibody that Neutralizes Inhibitory Factors Involved in Nerve Regeneration Leads to Enhanced Motor Function after Acute Spinal Cord Injury. Researchers at 13 clinics in Germany, Switzerland, the Czech Republic and…

Materials Sciences

Layer by Layer

How simulations help manufacturing of modern displays. Modern materials must be recyclable and sustainable. Consumer electronics is no exception, with organic light-emitting diodes (OLEDs) taking over modern televisions and portable…

Can lab-grown neurons exhibit plasticity?

“Neurons that fire together, wire together” describes the neural plasticity seen in human brains, but neurons grown in a dish don’t seem to follow these rules. Neurons that are cultured…

AI-powered discovery of efficient perovskite solar cell materials.

AI for Better and Faster Photovoltaic Materials

The quest for sustainable energy solutions has been a major focus of scientific research for decades. Solar energy, a clean and renewable source, has emerged as a promising alternative to…

Information Technology

Laser-based artificial neuron mimics nerve cell functions at lightning speed

With a processing speed a billion times faster than nature, chip-based laser neuron could help advance AI tasks such as pattern recognition and sequence prediction. Researchers have developed a laser-based…

Hyperspectral imaging lidar system achieves remote plastic identification

New technology could remotely identify various types of plastics, offering a valuable tool for future monitoring and analysis of oceanic plastic pollution. Researchers have developed a new hyperspectral Raman imaging…

An illustration of small and medium sized enterprises

How SMEs are Successfully Using Artificial Intelligence

Artificial Intelligence (AI) has established a strong presence across industries, large and small. The “VoBaKI” research project has empowered small and medium-sized enterprises (SMEs) with an innovative tool to independently…