WETENSCHAP EN TECHNOLOGIE BL – 2

Thanks to climate change, thawing permafrost in the Canadian Arctic has revealed the buried remnant of a glacier that’s 770,000 years old.... Read more »

The first study of copycat urination in an animal documents how one chimpanzee peeing prompts others to follow suit. Now researchers are exploring why.... Read more »

The U.S. Food and Drug Administration issued a rule to drastically reduce the amount of nicotine in cigarettes and other combusted tobacco products.... Read more »

Logistical needs, like employment and housing, along with psychological needs must be met after disasters like the LA wildfires, research shows.... Read more »

As Trump takes office, issues of arms control, the U.S. arsenal and weapons testing will be on the radar for many nuclear weapons researchers.... Read more »

The gyrations of hoop-slinging robots reveal that hourglass-shaped objects are best at keeping a hoop in the air.... Read more »

Chemicals in the tooth enamel of Australopithecus suggest the early human ancestors ate very little meat, dining on vegetation instead.... Read more »

One of the most extreme megadroughts has helped fuel wildfires in Los Angeles County and elsewhere in California.... Read more »

Astronomers have determined the internal composition of a distant, disintegrating planet for the first time.... Read more »

Since early 2024, the U.S. has logged 66 human cases of H5N1. Scientists are keeping a watchful eye on the virus’s spread as we enter a new year.... Read more »

Members of a Stone Age culture in Denmark may have ritually buried stones to counter the effects of a volcanic eruption.... Read more »

Evidence that the synthetic dye Red No. 3 is harmful comes from studies in rats, not people. Food companies now have two years to remove it from products.... Read more »

The current way to produce antivenoms is antiquated. Experiments in mice suggest that an artificial intelligence approach could save time and money.... Read more »

Ancient DNA indicates women stayed in their home communities and married partners from outside the area.... Read more »

A study investigates sparkling water’s role in weight loss, suggesting it might enhance glucose metabolism similar to effects observed in hemodialysis. However, the benefits are slight and cannot replace the fundamental weight management pillars of diet and exercise. Sparkling Water’s Role in Weight Loss A new analysis published today (January... Read more »

Researchers have created an adhesive polymer that surpasses the strength of existing commercial options while offering the added benefits of being biodegradable, customizable, and reusable. Researchers at Colorado State University and collaborators have created an innovative adhesive polymer that outperforms commercially available options in strength while also being biodegradable and... Read more »

Researchers have developed a revolutionary ultra-thin metasurface that can generate circularly polarized light with remarkable efficiency. By leveraging the unique properties of chirality and rotational symmetry, this breakthrough eliminates the need for bulky optical setups, enabling more compact and efficient optical devices. This innovation has far-reaching implications for fields such... Read more »

How cells utilize electric fields to guide their migration during embryonic development. As an embryo develops, cells constantly communicate to organize into tissues and organs. This process requires cells to interpret various environmental signals, which can be chemical or mechanical. However, these signals alone do not fully explain how cells... Read more »

Recent studies reveal that while manganese is crucial for health, its excess can lead to neurological disorders similar to Parkinson’s. Innovative research highlights how the vitamin biotin might shield the brain from manganese’s harmful effects, potentially offering a new way to combat neurodegeneration linked to environmental exposures. Manganese is an... Read more »

Researchers have created a 20-gram, self-deployable boom integrated with flexible electronics for use in CubeSats. The boom, made from thin carbon fiber composite, features sensors and LEDs that endure space’s harsh conditions and assist in deployment monitoring and visualization. Lightweight design is crucial for space structures, especially for tools used... Read more »

From the International Space Station, an astronaut photographed Madagascar’s Ambohiby volcanic complex, showcasing a blend of ancient geology and modern human pressures. The image reflects both the stark beauty of the landscape and the environmental challenges posed by significant deforestation linked to Madagascar’s surging population. Ambohiby’s Volcanic Features An astronaut... Read more »

Astronomers have traced a mysterious fast radio burst to an unexpected place — an ancient, massive galaxy far removed from active star formation. This revelation shakes up the conventional wisdom that such cosmic phenomena exclusively arise from younger, star-rich regions, hinting at the unknown complexities of the universe and sparking... Read more »

Salk scientists have found that eliminating the bile acid-producing protein BAAT and supplementing with the bile acid UDCA can regulate tumor growth in mice with liver cancer. This discovery suggests that UDCA dietary supplements could offer a fast and effective way to improve outcomes for liver cancer patients. Immunotherapy is... Read more »

Ancient genomes reveal the integration of genetically distinct groups within the early medieval Avar society in the Vienna Basin, Austria. Research that brought together expertise from multiple disciplines has revealed that genes and culture do not necessarily align. The latest findings from the European Research Council’s HistoGenes project stem from... Read more »

New research suggests that commonly used medications like antibiotics, antivirals, and anti-inflammatories could lower the risk of dementia. This new study leverages data from over 130 million people, indicating that repurposing these drugs might fast-track effective treatments and alleviate the global dementia burden, potentially revolutionizing care for this devastating condition.... Read more »

Breakthrough Optical Atomic Clock Sets New Accuracy Record in Quest to Redefine the Second The next generation of atomic clocks operates using laser frequencies, which “tick” approximately 100,000 times faster than the microwave frequencies used in today’s cesium clocks – the current standard for defining the second. Although optical clocks... Read more »

Recent findings indicate that the Arctic’s traditional role as a planetary cooling agent is faltering, with hotspots and wildfires nearly nullifying its carbon storage capabilities. A detailed study spanning three decades reveals a shift towards a more carbon-emitting Arctic, due to longer growing seasons and increased microbial activity, especially during... Read more »

Nitrogen isotope analysis of tooth enamel reveals no evidence of meat consumption in Australopithecus. New research published in the journal Science suggests that early human ancestors, such as Australopithecus, which lived approximately 3.5 million years ago in southern Africa, consumed little to no meat. This finding is based on an... Read more »

The US contributes around a fifth of the budget for the World Health Organization – its withdrawal from the public health body will impede efforts to control the global spread of diseases and could put the US at risk... Read more »

The megaflood that refilled the Mediterranean Sea 5 million years ago was so huge and fast that it shaped the landscape of what is now Sicily... Read more »

From carefully timing meals and bedtime to turning down the lights and banning screens in bed, here's what the scientists who study sleep do to optimise their slumber... Read more »

It is possible to speed up how quickly you get over jet lag – but calculating the right way to do it based on flight times, time zones and light exposure can be tricky... Read more »

James Temple was "in the right place at the right time" to take these dramatic images of SpaceX's Starship's seventh flight test disintegrating above the Atlantic Ocean... Read more »

Observations of WASP-127b, a giant gas exoplanet more than 500 light years from Earth, suggest it has phenomenally high wind speeds... Read more »

Adding rows of upright panels on farmland generates green power in the morning and evening while acting as a windbreak for crops... Read more »

If you've missed out on sleep, it is possible to catch up. But is it better to try to do it all in one go or spread out over time – and is it really so bad to sleep in at the weekend?... Read more »

Physicists have created a 3D shape called the cosmohedron, which can be used to reconstruct the quantum wavefunction of the universe - and potentially do away with the idea of space-time as the underlying fabric of the universe... Read more »

After a close look with a powerful radio telescope, astronomers are still puzzled by a pair of objects with strange characteristics first spotted in 2021... Read more »

Research is revealing the complex relationship between sleep and the gut microbiome, raising the prospect that eating better during the day might help you get a better night’s rest... Read more »

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – here’s how to spot the celestial show... Read more »

A man with paralysis was able to fly a virtual drone through a complex obstacle course simply by thinking about moving his fingers, with signals being interpreted by an AI model... Read more »

The benefits of taking GLP-1 agonists seem to outweigh the risks, at least when taken for approved uses, according to an assessment of how the drugs affect 175 conditions... Read more »