Science

Mother-infant bonding triggers brain synchronization, according to new neuroscience research

Scientists have discovered that watching everyday mother-infant interactions can trigger similar brain activity patterns across different mothers.

This neural synchrony, observed particularly in contexts showcasing mother-child bonding, highlights the profound impact of such primary attachments on our brains.

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Are catnip and treats like it safe for cats? Here’s how they affect their minds and moods

Cats kept indoors can live a good life when they get access to a variety of positive experiences. Examples include performing natural behaviours, feeling safe at home and using their full sensory capabilities, including their sense of smell.

Plants such as catnip, cat thyme and silver vine are potent smelly stimulants that can affect cat minds and moods.

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The strange story of the grave of Copernicus

Nicholas Copernicus was the astronomer who, five centuries ago, explained that Earth revolves around the Sun, rather than vice versa. A true Renaissance man, he also practiced as a mathematician, engineer, author, economic theorist and medical doctor.

Upon his death in 1543 in Frombork, Poland, Copernicus was buried in the local cathedral. Over the subsequent centuries, the location of his grave was lost to history.

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Radiation therapy takes advantage of cancer’s poor DNA repair abilities

Nearly half of all cancer patients undergo radiation therapy as part of their care. Ionizing radiation, or the emission of high-energy waves or particles, works as a therapy by damaging a cancer cell’s DNA. It’s an effective tool for killing cancer cells because they are generally much less adept at DNA repair compared to healthy cells. Damaging specific parts of DNA prevents cancer cells from reproducing, effectively killing them.

A major limitation of radiation therapy is the damage it may cause as it passes through healthy organs to get to tumors located deep in the body. The need to protect healthy organs limits the dose of radiation that can be delivered to cancerous tissue, thereby reducing the chance of successful treatment.

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AI is here – and everywhere: 3 AI researchers look to the challenges ahead in 2024

2023 was an inflection point in the evolution of artificial intelligence and its role in society. The year saw the emergence of generative AI, which moved the technology from the shadows to center stage in the public imagination. It also saw boardroom drama in an AI startup dominate the news cycle for several days. And it saw the Biden administration issue an executive order and the European Union pass a law aimed at regulating AI, moves perhaps best described as attempting to bridle a horse that’s already galloping along.

We’ve assembled a panel of AI scholars to look ahead to 2024 and describe the issues AI developers, regulators and everyday people are likely to face, and to give their hopes and recommendations.

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24 climate predictions for 2024

This story was originally published by Grist. Sign up for Grist's weekly newsletter here.

Last year, climate change came into sharp relief for much of the world: The planet experienced its hottest 12-month period in 125,000 years. Flooding events inundated communities from California to East Africa to India. A heat wave in South America caused temperatures to spike above 100 degrees Fahrenheit in the middle of winter, and a heat dome across much of the southern United States spurred a 31-day streak in Phoenix of 110 degree-plus temperatures. The formation of an El Niño, the natural phenomenon that raises temperatures globally, intensified extreme weather already strengthened by climate change. The U.S. alone counted 25 billion-dollar weather disasters in 2023 — more than any other year.

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Keeping a streak alive can be strong motivation to stick with a chosen activity

Dick Coffee attended 781 consecutive University of Alabama football games. Meg Roh surfed through illness, storms and nightfall to maintain a seven-year daily surfing streak. Jon Sutherland ran at least 1 mile every day for over 52 years.

An activity streak has the power to compel behavior, and marketers have taken note. Marketing researchers Jackie Silverman and Alixandra Barasch recently documented 101 unique instances, including Snapchat, Candy Crush Saga, Wordle and the Duolingo language learning platform, of apps that have incorporated streaks into their architecture by tracking the number of consecutive days users complete a task. There are even apps dedicated solely to tracking streaks.

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From the Moon’s south pole to an ice-covered ocean world, several exciting space missions

The year 2023 proved to be an important one for space missions, with NASA’s OSIRIS-REx mission returning a sample from an asteroid and India’s Chandrayaan-3 mission exploring the lunar south pole, and 2024 is shaping up to be another exciting year for space exploration.

Several new missions under NASA’s Artemis plan and Commercial Lunar Payload Services initiative will target the Moon.

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Decimating Nemo: Why we are clowns for chasing Thailand's clownfish

Clownfish, with their little pouty mouths, mini fins and striking orange and white colours, are victims of their own cuteness.

The world discovered the anemonefish 20 years ago and has been eagerly pursuing them ever since.

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Own a restaurant and can't find a waiter? Use a service robot.

"Here's your food," whispers the robot at the airfield restaurant in Gelnhausen, some 45 kilometers east of Frankfurt, Germany. "Please take the food from tray one."

The guest complies, reaching for the plate full of steaming meat, gravy and mashed potatoes.

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U.S. Supreme Court's Roberts urges 'caution' as AI reshapes legal field

WASHINGTON — Artificial intelligence represents a mixed blessing for the legal field, U.S. Supreme Court Chief Justice John Roberts said in a year-end report published on Sunday, urging "caution and humility" as the evolving technology transforms how judges and lawyers go about their work.

Roberts struck an ambivalent tone in his 13-page report.

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