Evolution

Scientists find plausible geological setting that may have sparked life on Earth

Researchers have discovered a plausible evolutionary setting in which nucleic acids—the fundamental genetic building blocks of life—could enable their own replication, possibly leading to life on Earth.

Astronomy

Webb researchers discover lensed supernova, confirm Hubble tension

Measuring the Hubble constant, the rate at which the universe is expanding, is an active area of research among astronomers around the world who analyze data from both ground- and space- based observatories. NASA's James ...

Seeing double: Designing drugs that target 'twin' cancer proteins

Some proteins in the human body are easy to block with a drug; they have an obvious spot in their structure where a drug can fit, like a key in a lock. But other proteins are more difficult to target, with no clear drug-binding ...

Scientists explore microbial diversity in sourdough starters

When millions of people went into lockdown during the pandemic, they went in search of new at-home hobbies to help cure their boredom. Among them was making sourdough bread. In addition to being sustainable for its use of ...

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Tech Xplore

New study maps Congo's bai ecosystems in unprecedented detail

"Tropical rainforest" might conjure images of close-packed trees, dense humidity, and the din of animal calls. But rainforests host landscapes beyond that archetypal one, including vast, treeless clearings that seemingly ...

Scientists develop a new model of electric double layer

A new model accounts for a wide range of ion-electrode interactions and predicts a device's ability to store electric charge. The model's theoretical predictions align with the experimental results. Data on the behavior of ...

Want to solve a complex problem? Applied math can help

You can probably think of a time when you've used math to solve an everyday problem, such as calculating a tip at a restaurant or determining the square footage of a room. But what role does math play in solving complex problems ...

AI model detects impervious surfaces in aerial images

In accordance with the German Sustainability Strategy, new impervious surfaces are to be limited to less than 30 hectares per day nationwide. In order to verify whether this target is met, it must be possible to monitor soil ...

Pandemic caused 'unprecedented' emissions drop: study

Pandemic restrictions saw an unprecedented fall in greenhouse gas emissions in the first half of 2020—larger than during the 2008 financial crisis and even World War II—experts said Wednesday.

Breakthrough blood test developed for brain tumors

Genetic mutations that promote the growth of the most common type of adult brain tumors can be accurately detected and monitored in blood samples using an enhanced form of liquid biopsy developed by researchers at Massachusetts ...

Robot swarms follow instructions to create art

What if you could instruct a swarm of robots to paint a picture? The concept may sound far-fetched, but a recent study in open-access journal Frontiers in Robotics and AI has shown that it is possible. The robots in question ...

COVID-19 inequality: poorest workers hit by worse outcomes

We have not all been in this together, according to research from Oxford, which shows the COVID-19 pandemic has resulted in aggravated economic and mental health inequality. The study, published by PNAS (Proceedings of the ...

New crew reaches ISS in record time

A three-person crew successfully reached the International Space Station on Wednesday aboard a Russian rocket after the fastest ever journey from Earth of just over three hours.

New microchip devices produce a wide range of laser hues

Researchers at the National Institute of Standards and Technology (NIST) and the University of Maryland have developed a microchip technology that can convert invisible near-infrared laser light into any one of a panoply ...

Using artificial RNA editing to restore genetic code

Various genetic diseases caused by point mutations have no established therapeutic approaches. Prof. Tsukahara and colleagues (Japan Advanced Institute of Science and Technology) are studying a therapeutic method using artificial ...

How to behave at a zoo – according to science

With October half-term approaching, millions around the world will head to their local zoo to indulge in the Halloween activities and get a little fresh autumnal air in the presence of some extraordinary animals. At this ...

Revealing quantum statistics with a pair of distant atoms

An international team of researchers has proposed a new way to make atoms or ions indistinguishable by swapping their positions. These particles are then expected to exhibit exotic properties. The study involved physicists ...

A new type of robotic microscope

Scientists at Oldenburg University can now use a "digitizing robotic microscope" for biological and medical research. Oldenburg University is one of the few German universities where this new type of microscope, which costs ...

3-D mapping of rooms using radar

Engineers from University Alliance Ruhr have developed novel signal processing methods for imaging and material characterisation with the aid of radar. Their long-term objective is to use these techniques in combination with ...

Habitat loss is the top threat to Australia's species

Earlier this month, Australia's outgoing Threatened Species Commissioner Gregory Andrews told ABC radio that land clearing is not the biggest threat to Australia's wildlife. His claim caused a stir among Australia's biodiversity ...

How bees find their way home

How can a bee fly straight home in the middle of the night after a complicated route through thick vegetation in search of food? For the first time, researchers have been able to show what happens in the brain of the bee.

Opinion: What rape culture says about masculinity

The phrase "rape culture" elicits strong responses. Prominent among them are confusion, scoffs, anger and even anonymous vitriol from internet "haters." When I posted on Facebook that I was seeking pro-feminist men to participate ...