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 12 min ago
Forgotten fossils reveal the giant egg-laying mammals of ancient Australia
Museum drawers have revealed the fossilised remains of extinct giant echidnas, some as large as dogs. These discoveries shed light on the diversity of ancient monotremes, a unique group of egg-laying mammals including the platypus. The findings offer a clearer picture of prehistoric Australia's fauna and the evolutionary journey of these remarkable creatures.
Why one place on Earth gets lightning almost every night
Scientists have identified Lake Maracaibo in Venezuela as the planet's top lightning hotspot. New satellite data reveals this tropical region experiences more lightning activity than the Congo Basin. These hotspots form due to specific atmospheric conditions, with warm air, moisture, and wind patterns creating constant storms. Lake Maracaibo's unique geography allows for nighttime storms, a phenomenon sometimes called Catatumbo lightning.
In 1916, Jan Czochralski mistakenly dipped his pen into molten metal, and the strange discovery became the foundation of modern silicon chips
A chance discovery in a lab over a century ago by Jan Czochralski changed the world. His accidental observation of a metallic thread revealed a crystal lattice structure. This breakthrough paved the way for producing pure silicon crystals. These crystals are the foundation of today's computer chips and electronic devices. The method remains vital for the global semiconductor industry.
This sunken Roman city was hidden for centuries until satellite scans helped reveal it
Ancient Roman cities are being rediscovered beneath the water. Researchers are using satellite technology and sonar to map submerged roads and buildings in areas like the Venice Lagoon. This innovative approach helps preserve historical sites and provides a clearer picture of how people lived centuries ago. The findings also shed light on past environmental shifts.
In 1856, William Henry Perkin was cleaning a failed experiment and noticed a strange stain, which unexpectedly helped launch the synthetic dye industry
A chemist, William Henry Perkin, accidentally discovered mauveine in 1856. This synthetic dye, derived from coal tar, became the first industrially profitable artificial colorant. Mauveine transformed textile dyeing, making vibrant colors accessible and affordable. Perkin's breakthrough launched the synthetic dye industry, impacting various sectors and proving laboratory research could yield mass-produced goods.
Scientists found something frozen inside Greenland that could rewrite climate history
Beneath Greenland's melting ice lies a detailed climate journal spanning millennia. This frozen archive preserves atmospheric snapshots, offering crucial insights into past thermal states and the ice sheet's resilience during warmer periods. Understanding this record is vital for projecting future sea levels and informing climate policy.
Explainer: Can hantavirus outbreak become Covid 2.0?
Health authorities are urgently tracing passengers from the MV Hondius cruise ship following a hantavirus outbreak that has claimed three lives. The Andes strain, capable of human-to-human transmission, was identified, prompting isolation and contact tracing. While not comparable to COVID-19, the virus requires close contact to spread.
The Mediterranean’s hidden salt giant that formed as seas fell
Six million years ago, the Mediterranean Sea evaporated, leaving behind a vast salt desert and mineral deposits. This geological event, known as the Messinian Salinity Crisis, caused the sea level to drop by two kilometers, creating deep valleys carved by rivers like the Nile and Rhone. The immense salt deposits beneath the seabed continue to influence the region's geology today.
The Salton sea’s hidden heat powers a modern lithium rush
Beneath the Salton Sea's arid surface lies a vast geothermal basin holding supercritical fluid rich in lithium, dubbed "Lithium Valley." This region is poised to become a hub for clean energy and battery mineral manufacturing, aiming to extract lithium directly from geothermal brines. Engineers are developing innovative electrochemical processes to overcome extraction challenges, potentially securing the U.S.
The great white giant turns blue: The final act of Iceberg A-23A
The world's largest iceberg, A-23A, transformed from white to electric blue as it entered warmer waters, a sign of its ageing process. This color change, caused by the expulsion of air bubbles and absorption of red light, indicates rapid melting. Scientists are tracking its disintegration, which releases minerals that fertilize plankton, boosting local ecosystems.
The secret beneath the floorboards: The hidden tunnel network of Bloxham
A secret tunnel has been discovered in Bloxham village, Oxfordshire. This discovery confirms old village tales of hidden passages. The tunnel likely served as an escape route for Catholics during religious conflicts. Experts believe it connected to the parish church. This find sheds light on the village's historical importance and the courage of its past residents.
The secret of the lochs: Scotland’s hand-built islands resting on wood
Archaeologists have revealed that many Scottish loch islands are not natural but are ancient man-made crannogs, constructed as early as 3600 B.C. These Neolithic stone and timber structures, built with remarkable engineering skill, served as exclusive, defensive dwellings. Modern photogrammetry allows for detailed 3D reconstructions, showcasing their hidden causeways and the ingenuity of their builders.
