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Tracing the 'Green Sahara' in Chad's northern desert

A cloud of dust escapes from an excavation site in the sand of Chad's arid north, where scientists are looking for signs of human habitation in an area once humid and called the "Green Sahara."

Etruscan chamber tombs made accessible in digital portal

Imagine stepping into a 2,500-year-old tomb—without ever leaving your sofa. Using advanced digital technology, Swedish researchers have documented and visualized nearly 280 Etruscan chamber tombs in Italy. The result is ...

New Picasso portrait unveiled at Paris auction house

A previously unknown portrait by Pablo Picasso of one of his lovers was revealed on Thursday after being put up for sale at auction in Paris with a reserve price of eight million euros ($9.5 million).

What nations around the world can learn from Ukraine

When Russia mounted a full-scale invasion of Ukraine in 2022, many outsiders expected the worst. Predictions swirled that the capital city of Kyiv would fall in a matter of days or weeks.

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Social Sciences
Afghanistan's August 2025 earthquake reveals the cost of international isolation, scientists warn
Social Sciences
Investigating age limits for social media and restrictions on addictive functions
Social Sciences
Right-wing extremist violence is more frequent and more deadly than left-wing violence—what the data shows
Mathematics
ChatGPT appears to improvise when put through ancient Greek math puzzle
Archaeology
Bronze Age and Iron Age cultures in the Middle East were really committed to wine production, analysis reveals
Other
Listen closely: Research suggests lie detection is more accurate when based solely on audio
Social Sciences
Delegation to AI can increase dishonest behavior
Social Sciences
AI reveals gender bias in family courts
Archaeology
Ancient bronze mirrors linked to economic prosperity of early Han Dynasty
Economics & Business
'Greenhushing' is a trend that leaves businesses downplaying their environmental wins
Social Sciences
Milan nightlife hubs bring rich and poor together, study finds
Social Sciences
Young people are less liberal and courageous than previously thought, Lithuanian study suggests
Social Sciences
Songs for Littles: The research that explains YouTube sensation Ms Rachel
Social Sciences
Would you eat a grasshopper? In Oaxaca, it's been a tasty tradition for thousands of years
Economics & Business
'I would discriminate': Study exposes UK employers' hidden bias against maternity leave
Education
ER drama 'The Pitt' shines a light on compassionate teaching
Social Sciences
What even is social media, tho? Adults and teens often differ, researchers find
Political science
Representation translates into more support for LGBT rights
Education
Our new study found AI is wreaking havoc on uni assessments. Here's how we should respond
Social Sciences
Alcohol restrictions don't hinder tourism in the outback, says study

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Analytical Chemistry
Chemists create light-switchable magnets that remain active for hours
Astronomy
Primordial black hole's final burst may solve neutrino mystery
Evolution
A grue jay? Rare hybrid bird identified in Texas
Evolution
Why our organs cannot simply be classified as male or female
Nanophysics
New light-powered gears fit inside a strand of hair
Plants & Animals
Jaguar swims over a kilometer, showing dams are not absolute barriers to large carnivores
Astronomy
Astronomers detect a new black-widow pulsar
Astronomy
Galaxies reveal hidden maps of dark matter in the early universe
General Physics
MicroBooNE detector excludes electron neutrino cause of MiniBooNE anomaly
Quantum Physics
Universal scheme efficiently generates arbitrary two-qubit gates in superconducting quantum processors
Cell & Microbiology
Fly nerve cells that sense limb movement are turned off during active motion, study shows
Environment
Warming climate—not overgrazing—is biggest threat to rangelands, study suggests
Plants & Animals
Bird flu outbreak in house cats: High-risk but survival is possible
Quantum Physics
'Like talking on the telephone': Quantum computing engineers get atoms chatting long distance
Biotechnology
Turning apple waste into profit and protein
Plants & Animals
Clownfish and anemones are disappearing due to heat waves
Plants & Animals
How harnessing the 'selfish gene' could control harmful insect populations
Plants & Animals
Organic beekeeping can be even more profitable than conventional methods
Analytical Chemistry
Novel catalyst design could make green hydrogen production more efficient and durable
Analytical Chemistry
Copper alloy catalysts' surface changes mapped during CO₂ conversion reactions