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: 19 min 20 sec ago
In 1960, a fisherman’s tip led two explorers to the grassy mounds that rewrote American history
The discovery of Viking presence in North America, initially hinted at by local lore and confirmed by the Ingstads' archaeological work at L'Anse aux Meadows, has been precisely dated to AD 1021. Modern scientific analysis of tree rings, influenced by a solar flare, pinpointed the year the settlement's wood was harvested, proving European arrival centuries before Columbus.
Dreams decoded: Scientists reveal the hidden meaning behind your dreams
New research reveals dreams are not random but are shaped by personal traits, daily events, and major life occurrences. The brain actively reconstructs experiences, blending memories with imagination into surreal narratives. Personality and external factors like the COVID-19 lockdown significantly influence dream content, offering insights into how the mind processes information and adapts.
In 2023, a professor browsed an online archive from his couch and found a mislabeled £10 million masterpiece
A forgotten document, purchased for a mere $27.50 by Harvard in 1946, has been identified as an original 1300 Magna Carta manuscript by Professor David Carpenter. Initially dismissed as a stained copy, advanced digital and spectral imaging revealed its authenticity, proving it to be one of only seven surviving 14th-century versions. This discovery is reshaping medieval legal history.
Meet Vladimir Demikhov: Scientist who created a two-headed dog and changed medicine forever
In the 1950s, Soviet surgeon Vladimir Demikhov conducted controversial experiments, including creating two-headed dogs by surgically grafting heads onto other dogs. These procedures, though ethically troubling, aimed to understand organ transplantation and circulation. Demikhov's work laid crucial groundwork for modern transplant medicine, influencing pioneers like Christiaan Barnard.
In 1985, Mel Fisher followed a sixteen-year dream to uncover the world's richest sunken treasure
After a grueling 16-year quest, Mel Fisher's relentless pursuit culminated in the monumental 1985 discovery of the Spanish galleon Atocha. Beneath the Florida Keys' treacherous waters, his team unearthed a "silver reef" of immense value, estimated at $400 million. This find, rich with emeralds, gold, and coins, redefined maritime history and underscored the power of unwavering perseverance.
In 1971, Alexander McKee followed a Victorian map and found the Tudor world hidden beneath the waves
In 1971, historian Alexander McKee led a dive that uncovered the remains of the Tudor ship, the Mary Rose, buried in Solent mud. This remarkable find, preserved for centuries, yielded thousands of artifacts offering insights into 16th-century life. The ship's dramatic 1982 recovery captivated the world, initiating ongoing conservation efforts to protect this significant piece of British history.
Illite Find May Aid Industry: scientists flag vast Yeongdong deposit; links to skincare and batteries
A significant illite mineral deposit, potentially one of the largest globally, has been unearthed in South Korea's Yeongdong County. This discovery shifts the region's focus from tourism to natural resources, impacting industries from skincare to electric vehicle batteries. The accessible mineral's abundance, not rarity, makes it economically vital for global supply chains.
20-Day Signal From Dead Star: Astronomers detect ‘heartbeat’ from AT2020afhd; may reveal black hole spin
A dead star's remnants are pulsing every 20 days, offering strong evidence for Einstein's theory of frame-dragging. This phenomenon, observed in the debris of a star shredded by a black hole, shows the twisting of spacetime caused by a rotating massive object. The discovery provides a new way to study black hole spin and its impact on cosmic events.
Rongorongo Tablets Dated Earlier: Study dates 1 tablet to 1493-1509; independent script claim still unproven
A study on Easter Island's Rongorongo script suggests it might be an independent invention, predating European arrival. Researchers' radiocarbon dating of wooden tablets indicates some are centuries older than previously thought. If confirmed, this would place Rongorongo among a rare few writing systems developed without outside influence, potentially rewriting human history and highlighting Rapa Nui intellectual prowess.
Millions of graphene toothbrushes sold worldwide: Scientists reveal why people are buying them
New research from KAIST has clarified how graphene oxide's antibacterial properties work, revealing it selectively attacks harmful bacteria by targeting a specific lipid found in their membranes. This mechanism explains the success of graphene-based hygiene products and offers a novel approach to combating antibiotic resistance by physically disrupting bacterial structures.
'Make Pluto a planet again': Nasa Administrator Jared Isaacman calls for status restoration at US Senate hearing
Nasa Administrator Jared Isaacman wants Pluto to be a planet again. He voiced this support in a Senate hearing. Nasa researchers are studying Pluto's status. Pluto was a planet until 2006. The International Astronomical Union reclassified it as a dwarf planet. This decision is still debated by scientists and the public. Isaacman believes Pluto should be a planet.
Eye Of Sahara Explained: NASA says Richat Structure not a crater; dunes, dust reshape global systems
Astronauts marvelled at the Sahara's 'Eye of the Sahara,' the Richat Structure, a geological wonder in Mauritania. Far from a meteor impact, this massive formation, spanning 25-30 miles, is a domed anticline sculpted by millions of years of differential erosion. Its distinct rings, revealing ancient rock layers, serve as a vital landmark for space missions.
Panama Upwelling Failure: Scientists flag first breakdown; ecosystems and fisheries at risk
For the first time in 40 years, a vital Pacific Ocean upwelling off Panama failed in 2025. This biological engine, crucial for fish populations and coastal communities, didn't activate as trade winds weakened. Scientists, monitoring this rare event, suspect climate disruption, raising alarms about interconnected ocean systems and the need for better tropical ocean observation.
Rocks have been sending an SOS before they collapse, and scientists finally understand it
Scientists have discovered that rocks send out chemical signals before they break. Researchers have created a model to understand these signals, offering a potential early warning system for geological events. This breakthrough could help predict landslides and earthquakes. The technology is still developing but promises to provide crucial alerts for communities in geologically active areas.
