Articles by Paul Arnold
Tech Xplore / Why some steel truss bridges stay standing after potentially catastrophic failure
Steel truss bridges are a common sight on roads and railways around the world, with many dating back to the late 19th and early 20th centuries. Despite their high strength-to-weight ratio, which allows them to support heavy ...
Phys.org / The cosmic giant challenging our understanding of galaxy formation in the early universe
Scientists have discovered a giant black hole that they believe may have been formed in the first few microseconds after the Big Bang. The black hole is so huge that it may change our understanding of how these cosmic giants ...
Phys.org / The growing threat of vast ravines swallowing streets and homes
Deep, gigantic cracks in the Earth known as gullies are tearing through African cities, swallowing up houses and streets, destroying infrastructure and displacing tens of thousands of people. Left unchecked, this new geological ...
Tech Xplore / A robot learns to handle bulky objects like humans do after just one lesson
For all their technological brilliance, from navigating distant planets to performing complex surgery, robots still struggle with a few basic human tasks. One of the most significant challenges is dexterity, which refers ...
Tech Xplore / Scientists unveil a rubber band that generates electricity from body heat
A team led by scientists from Peking University has developed a rubber-like material that converts body heat into electricity. This advance could allow the next generation of wearable electronics to generate their own power ...
Phys.org / 8,000 years of human activities have caused wild animals to shrink and domestic animals to grow
Humans have caused wild animals to shrink and domestic animals to grow, according to a new study out of the University of Montpellier in southern France. Researchers studied tens of thousands of animal bones from Mediterranean ...
Tech Xplore / Scientists develop the world's first 6G chip, capable of 100 Gbps speeds
Sixth generation, or 6G, wireless technology is one step closer to reality with news that Chinese researchers have unveiled the world's first "all-frequency" 6G chip. The chip is capable of delivering mobile internet speeds ...
Phys.org / In search of Denisovans: Genetic tools identify lost human relatives from fossil records
New genetic techniques are shedding light on a mysterious part of our family tree—ancient human relatives called the Denisovans that emerged during the Pleistocene epoch, approximately 370,000 years ago.
Phys.org / Did a single genetic mutation make horses rideable?
Domestication of the horse was one of the crowning achievements of early humans. It led to advancements in transportation, warfare and agriculture, effectively galloping societies into the modern era.
Medical Xpress / Study in mice reveals a link between maternal stress during pregnancy and childhood eczema
Maternal stress during pregnancy may be partly to blame for childhood eczema, according to a study on mice published in the journal Nature.
Phys.org / New AI tool can spot shady science journals and safeguard research integrity
One of the big benefits of open-access journals is that they make research articles freely and immediately available to everyone online. This increases exposure for scientists and their work, ensuring there are no barriers, ...
Tech Xplore / The AI breakthrough that uses almost no power to create images
From creating art and writing code to drafting emails and designing new drugs, generative AI tools are becoming increasingly indispensable for both business and personal use. As demand increases, they will require even more ...
Phys.org / Fatal attraction: Reflective light from wind turbine blades may be luring bats to their deaths
Every year, hundreds of thousands of bats are killed by flying into the giant blades of wind turbines. It is one of the leading causes of bat mortality in North America and Europe, according to Bat Conservation International. ...
Phys.org / A fractured rib on a 12,000-year-old skeleton provides insights into violence in ancient Vietnam
Scientists have found what they believe may be the earliest evidence of violence in Southeast Asia. Studies of a 12,000-year-old skeleton of a man, discovered in Vietnam, reveal he was shot by an arrow with a quartz tip. ...
Phys.org / How losing genes made the pygmy seahorse a master of disguise
Pygmy seahorses are remarkable creatures. These tiny marine vertebrates, often no bigger than two centimeters in size, are masters of camouflage, able to match the texture and color of the coral in which they live. Some species ...
