Electronics & Semiconductors

Micro-sized optical spectrometer operates across visible spectrum with sub-5-nm resolution

Optical spectrometers are versatile instruments that can produce light and measure its properties over specific portions of the electromagnetic spectrum. These instruments can have various possible applications; for instance, ...

Plants & Animals

Smell of human stress can affect dogs' emotions, leading them to make more pessimistic choices

Dogs experience emotional contagion from the smell of human stress, leading them to make more 'pessimistic' choices, new research finds. The University of Bristol-led study, published in Scientific Reports on 22 July, is ...

Genome study informs restoration of American chestnut tree

Native trees adapt to the climate and environmental conditions of their area to survive. Researchers in the College of Natural Resources and Environment in collaboration with the American Chestnut Foundation confirmed this ...

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Tech Xplore

Chemists design novel method for generating sustainable fuel

Chemists have been working to synthesize high-value materials from waste molecules for years. Now, an international collaboration of scientists is exploring ways to use electricity to streamline the process.

Why the stinky durian really is the 'king of all fruits'

There's little else in the food world that brings about as much social turbulence as the durian. This so-called "king of all fruits" is considered a delicacy across its native Southeast Asia, where durian season is currently ...

AI-powered optical detection to thwart counterfeit chips

The semiconductor industry has grown into a $500 billion global market over the last 60 years. However, it is grappling with dual challenges: a profound shortage of new chips and a surge of counterfeit chips, introducing ...

Hubble views a potential galactic merger

This NASA/ESA Hubble Space Telescope image features the dwarf irregular galaxy NGC 5238, located 14.5 million light-years from Earth in the constellation Canes Venatici. Its unexciting, blob-like appearance seems to resemble ...

Implantable biosensor that operates without batteries

Researchers from the University of Surrey have revealed their new biodegradable motion sensor—paving the way for implanted nanotechnology that could help future sports professionals better monitor their movements to aid ...

Bioinspired micro-robot based on white blood cells

A team of scientists from the Max Planck Institute for Intelligent Systems (MPI-IS) in Stuttgart invented a tiny micro-robot that resembles a white blood cell traveling through the circulatory system. It has the shape, the ...

Membrane nanopore transport gets picky

Trying to determine how negatively charged ions squeeze through a carbon nanotube 20,000 times smaller than a human hair is no easy feat.

'One-way' electronic devices enter the mainstream

Waves, whether they are light waves, sound waves, or any other kind, travel in the same manner in forward and reverse directions—this is known as the principle of reciprocity. If we could route waves in one direction only—breaking ...

New insights on allergies may improve diagnosis and treatment

Results from a study led by investigators at Massachusetts General Hospital may help to improve the diagnosis and treatment of allergies, pointing to a potential marker of these conditions and a new therapeutic strategy. ...

Genetic barcodes can ensure authentic DNA fingerprints

Engineers at Duke University and the New York University's Tandon School of Engineering have demonstrated a method for ensuring that an increasingly popular method of genetic identification called "DNA fingerprinting" remains ...

Schools using smart phone technology against sex assaults

The same technology that keeps kids glued to their smart phones is being used by some schools as protection against sexual assaults . Using apps, victims and bystanders can alert school officials, police or parents to trouble. ...