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Brazil is dealing with one of its worst dengue fever outbreaks in years, and scientists are trying something unusual to bring the numbers down. Instead of just relying on vaccines and mosquito spray, health teams are releasing genetically modified mosquitoes into several cities, hoping these lab-bred insects will help shrink the population of disease-spreading mosquitoes over time.

Underwater fields of seagrass could play an important role in fighting malnutrition among vulnerable coastal communities, according to new research published in Cell Reports Sustainability. The study was carried out by scientists from Stockholm University and Project Seagrass.

Many people believe that baby rattlesnakes are more dangerous than adult ones because they cannot control the amount of venom they inject when they bite. A new study has now challenged this long-held belief.

China has announced the recipients of its highest annual scientific honour, recognising two researchers whose work has shaped very different parts of the country's technological development. The 2025 State Pre-eminent Science and Technology Award has been presented to battery scientist Chen Liquan and radar specialist Ben De, acknowledging decades of research that influenced both civilian industry and national defence.

For decades, herpetologists believed that many mountain pit vipers living across parts of the eastern Himalayas belonged to the same widespread species, the Chinese mountain pit viper (Ovophis monticola). But scientists have now shown that at least one group of these snakes has been hiding in plain sight all along.

New technology enables scientists to study dolphins non-invasively. To study dolphin groups, scientists do not need to capture individuals or take tissue samples; instead, they analyze small amounts of DNA left by dolphins in seawater.

Forests might appear like serene places, but the truth is that there is a fierce battle for one of nature's most vital resources taking place in these forests - sunlight. For decades, scientists thought this competition would favor only the tallest trees.

Scientists have discovered hidden movements beneath California's San Andreas Fault with the help of artificial intelligence, revealing a type of slow fault slip that had largely gone unnoticed till now. The researchers say these silent movements may play a bigger role in earthquake activity than it was previously thought.

Forecasts for the tropical Pacific have shifted noticeably over the past month, with climate scientists now placing greater confidence in the arrival of a particularly powerful El Nino later this year. While these events are part of a natural climate cycle, their effects rarely stay confined to the Pacific Ocean.

At first glance, the Andean leaf-eared mouse looks like an ordinary rodent. Small enough to fit in the palm of your hand, it would be easy to overlook.