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Tech Xplore / OpenAI launches GPT-5.5 as rivals race to build more autonomous AI assistants
OpenAI released a new model it touts as its best yet for handling research work like making improved versions of itself, as rapid-fire releases by AI rivals pick up pace.
Phys.org / Nuclear war at Ukraine-Russia border could trigger years of global climate disruption and radioactive fallout
Geopolitical tensions in Eastern Europe underscore the urgency of addressing the climate and radiological consequences of a regional nuclear conflict. Even a small-scale nuclear conflict at the Ukraine–Russia border could ...
Phys.org / A third of animal habitats on land could experience multiple extreme events by 2085, new study suggests
By 2085, 36% of species' current habitats on land could be exposed to multiple types of climate-driven extreme events such as heat waves, fire or floods if warming continues to rise into the latter half of the century. The ...
Phys.org / El Niño season predicted to start as early as next month
An El Niño event is expected to develop from mid-2026, impacting global temperature and rainfall patterns, according to the World Meteorological Organization (WMO). The latest monthly Global Seasonal Climate Update from WMO ...
Phys.org / For 74,000 years, one ancient killer quietly dictated where early humans could survive across Africa
Increasing evidence suggests that our species emerged through interactions between populations living in different parts of Africa, rather than from a single birthplace. Until now, however, most explanations for how those ...
Phys.org / World's largest collection of Olympiad-level math problems now available to everyone
Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most original problems. Those booklets get shared among delegations, then quietly disappear. No one had ever ...
Phys.org / A new route for plasma-based particle accelerators
Plasma, the fourth state of matter, consists of a gas in which electrons are no longer bound to atoms, which allows electricity to flow freely. When beams of particles moving close to the speed of light travel through plasma, ...
Phys.org / Divergent moral values could make groups more accepting of norm-breaking behavior
Individuals in a morally diverse community tend to believe that the community's norms are looser. In turn, norm violations are more accepted, and there is a reduced willingness to police transgressions, according to research ...
Phys.org / Study shows a widely used antifungal drug works only when its target enzyme is active
Serious fungal infections are on the rise, and many hospital-acquired cases are becoming harder to treat as fungi become resistant to available medications. One of the most widely used therapies, caspofungin, combats Candida ...
Phys.org / Chernobyl's exclusion zone is a beacon of biodiversity—but it faces new threats from Russia's invasion
April 26 marks the 40th anniversary of the explosion at Reactor 4 of the Chernobyl nuclear power plant in Ukraine. The accident caused the largest ever release of radioactive material into the environment, and at the time ...
Phys.org / Inside the skull of a Devonian fish from Gondwana, revealed by neutron imaging
Flinders University researchers have taken a revealing look inside the head of one of the first animals to crawl from the water to live on land more than 380 million years ago. Using high-tech neutron imaging, they scanned ...
Phys.org / Common soil fungus could cut pesticide use while helping tomatoes grow stronger
Trichoderma species—a common fungus found in soils—have varying abilities to promote tomato plant growth and differentially affect the abundance of certain soil bacteria, according to a study led by researchers at Penn State.
