Category Archives: Science

Research Preview: Nature Magazine – July 27, 2023

Volume 619 Issue 7971

nature Magazine -July 27, 2023 issue: HADAR (heat-assisted detection and ranging) combines thermal physics and infrared imaging with machine learning to discern an object in pitch darkness as though it  is illuminated by broad daylight.

ChatGPT is a black box: how AI research can break it open

Despite their wide use, large language models are still mysterious. Revealing their true nature is urgent and important.

A lethal fungal infection gets a hand from the body’s own defences

Bloodstream infections by a common fungus are less deadly in mice engineered to have lower levels of a protein secreted by immune cells.

Nature: Filming Birdlife In America’s Arctic Wetlands

Cornell Lab of Ornithology (July 26, 2023) – The tundra wetlands in the heart of America’s Arctic, centered in the NPR-A around Teshekpuk Lake, are among the most extensive in the circumpolar Arctic and contain some of the highest recorded densities of breeding shorebirds in this vast area.

Millions of birds from all over the world flock to these wetlands every year to nest and raise their young. Come along with Cornell Lab’s Gerrit Vyn as he joins a team to capture image of the region’s birdlife.

America’s Arctic is one of North America’s last great wilderness areas, a critical habitat for migratory birds from around the world, and a treasure to be protected for future generations.

#AmericasArctic

Research Preview: Science Magazine – July 21, 2023

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Science Magazine – July 21, 2023 issue: The cover depicts an x-ray of a human skeleton walking. Researchers extracted 23 skeletal proportions from 30,000 individuals using deep learning. Coupled with genetic and biobank data, more than 100 genetic variants associated with these proportions were identified. These analyses shed light on the evolution of the skeletal form, which facilitates bipedalism, and reveal connections to musculoskeletal disorders.

Hollywood movie aside, just how good a physicist was Oppenheimer?

A-bomb architect “was no Einstein,” historian says, but he did Nobel-level work on black holes

Deglaciation of northwestern Greenland during Marine Isotope Stage 11

Research Preview: Nature Magazine – July 20, 2023

Volume 619 Issue 7970

nature Magazine -July 20, 2023 issue: Launched in 2018, the Human Biomolecular Atlas Program (HuBMAP) aims to map how cell types are arranged in the human body. The initiative is both developing and then deploying the necessary technology to create maps of organs at single-cell resolution.

This quiet lake could mark the start of a new Anthropocene epoch

An aerial view of Crawford Lake.

The dawn of a new geological epoch is recorded in the contaminated sediment at the bottom of Crawford Lake in Canada.

The official marker for the start of a new Anthropocene epoch should be a small Canadian lake whose sediments capture chemical traces of the fallout from nuclear bombs and other forms of environmental degradation. That’s a proposal out today from researchers who have spent 14 years debating when and how humanity began altering the planet.

How to introduce quantum computers without slowing economic growth

To smooth the path of the quantum revolution, researchers and governments must predict and prepare for the traps ahead.

Technology Quarterly – The Economist (July 2023)

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TECHNOLOGY QUARTERLY (JULY 22ND 2023) The most personal technology. Demand for, and expectations of, in vitro fertilisation are growing. The technology is struggling to keep up, write Catherine Brahic and Sacha Nauta.

In vitro fertilisation is struggling to keep up with demand

Developing the technology to change that is proving a difficult task

With the possible exception of Adam and Eve, all human beings born before 1978 were conceived inside a woman’s body. Today the world contains at least 12m people who started off in laboratory glassware. On average, four more are born every three minutes. That is a worldwide rate of roughly one newborn in 175.

IVF remains largely a numbers game

And plenty of clinics are taking advantage: the second of seven articles on the technology of fertility

Most healthy young couples seeking to get pregnant will try for a few months before they are successful. Those who are not will try for months more, or years, before concluding they need help and stepping into the waiting room of an ivf clinic. They often arrive in a state of acute emotional vulnerability, clutching at the hope that doctors will help.

Research Preview: Science Magazine – July 14, 2023

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Science Magazine – July 14, 2023 issue: There have been huge strides in the development and application of artificial intelligence (AI) to science and society. But will AI eclipse humans, or will we find a way to safely and fairly collaborate, allowing us to reach further? 

A machine-intelligent world

Huge strides have been made in the development of machine-learning algorithms to generate what is commonly called artifi cial intelligence (AI). Looking to the forefront of how AI is being used in science and society reveals many benefi ts, as well as grand challenges, that must be addressed.

Leveraging artificial intelligence in the fight against infectious diseases

Despite advances in molecular biology, genetics, computation, and medicinal chemistry, infectious disease remains an ominous threat to public health. Addressing the challenges posed by pathogen outbreaks, pandemics, and antimicrobial resistance will require concerted interdisciplinary efforts.

Research Preview: Nature Magazine – July 13, 2023

Volume 619 Issue 7969

nature Magazine -July 13, 2023 issue: Usually, sea urchins procure blades of seagrass or small pieces of rubble to help them blend in with the sea floor, but the fire urchin (Asthenosoma varium) on the cover has instead appropriated the remnants of a blue plastic bag and is entangled in a discarded fishing line stuck on a reef.

How ancient monkeys rode the waves to the Americas — and survived

Artist’s reconstruction of the primate Ashaninkacebus.

Analysis suggests that three types of primate made the transoceanic journey to South America from Africa millions of years ago.

Some of the first primates to reach South America might have been tiny, insect-loving monkeys that had been swept out to sea.

Great bolts of lightning foretell Earth-warming clouds

Trieste Lightning.

Coverage of wispy cirrus clouds is linked to episodes of electrical activity.

Lightning is typically seen when imposing cumulonimbus clouds fill the sky. But new research shows that these bolts of electricity can also be used to forecast thin and wispy clouds that warm the world by reflecting heat back to the surface.

Research Preview: Science Magazine – July 7, 2023

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Science Magazine – July 7, 2023 issue:

The star watcher

Amateur astronomer Koichi Itagaki is one of the most prolific supernova hunters of all time

Rare fossil implies deep roots for vertebrates

Half-billion-year-old tunicate from western Utah “looks like it died yesterday”

AI Preview: Science Focus Magazine – July 2023 Issue

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BBC Science Focus Magazine (July 2023) – What our future with Artificial Intelligence really looks like, according to the experts; How to take control of AI before it’s too late, and more…

ChatGPT: Everything you need to know about OpenAI’s GPT-4 tool

© Carol Yepes

OpenAI is back in the headlines with news that it is updating its viral ChatGPT with a new version called GPT-4. But when will this be available, how does it work and can you use it?

AI art’s hidden echo chamber is about to implode. Here’s what that will look like

Artificial intelligence art generators train themselves on art pulled straight from the internet… but what happens when most of the art out there is now made by AI?

Research Preview: Nature Magazine – July 6, 2023

Volume 619 Issue 7968

nature Magazine -July 6, 2023 issue: Shape shifters – DNA origami allows useful supramolecular structures to be created from templates. But the process has its limitations, with most structures confined to two configurations: folded or unfolded.

Fungi bacon and insect burgers: a guide to the proteins of the future

Stylised illustration showing a shop display of alternative protein products with signs saying 'New' and 'Try today'.

Humanity needs to eat less meat. Here are seven alternatives.

Would you eat a burger enriched with mealworms? Fake bacon sliced from a mass of fermented fungi? Milk proteins extruded by microbes? Maybe you already have. Dozens of companies are now banking on these alternatives to animal protein becoming a regular part of your diet.

Mini-antibodies given mighty powers can stave off influenza

Influenza A virus, TEM image.

Complexes formed from ‘nanobodies’ and an antiviral drug halt infection in its tracks.

A dynamic duo comprising an antiviral drug joined to an antibody fragment provides strong protection against the two main types of influenza that infect humans, according to research in mice.