Science Alert
Catch up on the latest science news, from space and technology to life and environmental research- all the discoveries shaping our world today.
Updated: 2 hours 3 min ago
Scientists just created a Black Hole-like energy system in a lab without moving anything
In a groundbreaking experiment, scientists have successfully replicated the extreme conditions found around black holes in a controlled laboratory environment. This remarkable feat validates theories regarding energy harnessing from rotating black holes. By artificially inducing rotation in a fixed apparatus, they effectively simulated cosmic energy mechanisms. This pivotal advancement holds promise for innovations in communication technologies and quantum computing, bridging the gap between intricate astrophysical theories and tangible scientific application.
Two Asian praying mantises are spreading across Europe, and scientists warn they threaten wildlife
Two invasive species of Asian praying mantis are proliferating rapidly across Europe, posing a significant threat to local pollinators and endangered small wildlife. Urban areas and rising global temperatures enable their northward spread. Engaging in citizen science initiatives is essential for monitoring and managing these aggressive insect populations. Additionally, seasonal removal of egg cases can effectively mitigate their environmental impact.
A second pregnancy changes the brain in a different way from the first, new research suggests
Recent research indicates that a mother's brain undergoes distinct transformations during second pregnancies compared to the first. These adaptations enhance attention and sensory processing, facilitating the care of multiple children. Notably, brain scans clearly differentiated between first and second pregnancies, revealing connections to maternal bonding experiences and potential peripartum depression risks. This study sheds light on how maternal brains adapt and underscores the need for mental health support.
Japan does not use modern nails to repair centuries-old temples. Instead, master craftsmen rely on an ancient woodworking technique
Centuries-old Japanese temples are still repaired using an ancient woodworking technique. This method, called kigumi, involves precisely carved wooden joints that fit together without metal fasteners. The technique allows structures to withstand earthquakes and humid weather, which is crucial in Japan. Master carpenters, known as miyadaiku, pass down this skill which dates back over 1,400 years. This sustainable craft ensures the longevity of historic buildings and reduces construction waste
Scientists finally know why gold never tarnishes, and the secret lies in its self-protecting surface
Recent scientific research has revealed that the surface atoms of gold can rearrange themselves to create a protective barrier against oxidation. This extraordinary natural mechanism significantly reduces tarnishing rates by up to a trillion times, ensuring gold retains its radiant luster. This discovery opens up possibilities for industrial applications, allowing gold to be utilized as an even more efficient catalyst.
This routine US Navy training mission near California turned into one of the most discussed UFO cases in recent history
A 2004 US Navy training mission encountered an unexplained aerial object. Pilots and radar operators observed a peculiar "Tic Tac" shaped craft. Infrared video footage later surfaced, adding to the mystery. This incident gained widespread attention after a 2017 New York Times report. The Pentagon has not provided a definitive explanation for the sighting.
How floating solar panels created a new home for thousands of salmon at a Chile fish farm
A Chilean salmon farm replaced diesel generators with floating solar panels. This initiative significantly cut emissions and fuel consumption annually. The new system also created a quieter and more sheltered environment for the fish. Thousands of salmon have now gathered beneath the floating solar structures. This project demonstrates renewable energy's unexpected environmental benefits beyond emission reduction.
Space milestone for Japan as it successfully launches, lands reusable rocket
The successful trial marks another milestone in the global race to develop reusable launch systems that can significantly reduce the cost of sending payloads into space. Unlike conventional rockets, which are designed for a single mission before their components fall into the sea, burn up in the atmosphere or remain in orbit as debris, reusable rockets are designed to return safely for future launches.
Quote of the day by German physicist Carl Friedrich Gauss: "When a philosopher says something that is true then it is trivial. When he says something that is not trivial then it is false" - a simple explanation of why truth is often simpler than it seems
Carl Friedrich Gauss questioned complex philosophical claims. He believed true statements were often simple and obvious. Complicated ideas should raise suspicion, not admiration, he noted. True understanding simplifies complex observations into clear principles. This perspective remains a useful test for evaluating claims today.
MIT developed a tiny origami robot that folds itself and it could one day work inside the human body
Scientists reveal underwater seagrass meadows could end global malnutrition
New research highlights seagrass meadows as vital food sources for coastal populations. Fish from these underwater fields offer a superior nutrient combination compared to reef fish. This finding emphasizes the importance of protecting seagrass alongside coral reefs for food security. Local communities heavily rely on these fish for essential nutrients and income. Conservation efforts must integrate human needs with ecosystem protection for sustainable outcomes.
Scientists say coldest 'stars' in Milky Way could actually be alien technology harvesting energy
Recent studies indicate that certain chill entities scattered across our galaxy might actually be artificial constructs created by extraterrestrial life forms. These colossal structures could function as energy collection systems established by intelligent civilizations. Researchers are on the lookout for distinctive thermal emissions and faint visible light from these objects, leveraging the capabilities of the James Webb Space Telescope and Project Hephaistos.
Scientists have debunked the long-repeated myth that baby rattlesnakes are more dangerous than adults, finding that adult rattlesnakes usually deliver more venom and cause more serious bites
A new study challenges the long-held belief that baby rattlesnakes are more dangerous. Researchers found young snakes can control venom expulsion, similar to adults. Adult rattlesnakes carry and inject significantly more venom, causing more severe symptoms. This misconception has led to negative consequences and unwarranted fear among people. The study traced the myth's spread through media reports over decades.
What if time isn't real? Physicists built a tiny quantum universe with 24,000 ultracold atoms and found a shocking truth: Time could create itself
In a groundbreaking experiment, physicist Giovanni Barontini sought to decipher the origins of time by creating a mini-universe through a Bose-Einstein condensate close to absolute zero. In this unique setting, events analogous to the Big Bang and Big Crunch unfolded, while an innovative entropic clock monitored the natural progression of disorder, indicating that time may be an illusion arising from complex internal dynamics.
It has bright yellow wings and looks familiar, but this rare British butterfly is unlike any other, DNA reveals
A new study confirms the British swallowtail butterfly is genetically unique. This native species possesses significantly less genetic diversity than European relatives. Researchers found no accumulation of harmful mutations despite its isolation. However, higher inbreeding levels pose challenges for its long-term survival. Genomic research offers vital insights for protecting vulnerable butterfly populations.