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Greg Eghigian's After the Flying Saucers Came and Luis Elizondo's Imminent both show how our fascination with UFOs goes beyond simple curiosity

As misinformation about the upcoming US elections rockets across social media, creating chaos, companies need to be honest about where this content is coming from, says Annalee Newitz

There's just over a month to go before the world's greatest festival of ideas and discoveries, so grab your tickets now, says Timothy Revell

Feedback is delighted to receive a response, however excruciating, from a junior doctor to the call for papers in which The Title Tells You Everything You Need to Know

Narratives around addiction often reduce it to a series of poor choices, lack of values and weakness. This has real-world consequences, warns Anna Wolfe

The author of Sapiens has turned his attention to the information networks that shape our societies, but when you stop and think about what he's saying, it's obvious

Space missions are extremely hard. Things going wrong should be expected, so having a sensible plan B is crucial

Research shows how oceans can be used to help address major challenges such as the shortage of antimicrobial medicines, solutions for plastic pollution and novel enzymes for genome editing.

Much of the nation's stormwater infrastructure, designed decades to a century ago to prevent floods, can exacerbate flooding during the severe weather events that are increasing around the globe.

Researchers are designing real-time, intelligent tutors powered by AI. These systems mimic human surgical instructors in brain surgical training. Intelligent tutors help the learner acquire excellent skills by continuously assessing hand movements during simulated brain procedures and providing personalized verbal feedback.

A study has found that improved artificial intelligence (AI) training is required when developing nutrition apps that are used to track food intake or manage weight.

In a first-of-its-kind clinical trial, a team leveraged an artificial intelligence-derived platform to guide treatment for a patient with a rare blood cancer.

Researchers have developed ultra-flexible brain probes that accurately record brain activity without causing tissue damage. This opens up new avenues for the treatment of a range of neurological and neuropsychiatric disorders.

Some per- and polyfluoroalkyl substances (PFAS) are poorly degradable and are also known as 'forever chemicals'. They adversely affect health and can lead to liver damage, obesity, hormonal disorders, and cancer. A research team has investigated the effects of PFAS on the brain. Using a combination of modern molecular biology methods and the zebrafish model, the researchers revealed the mechanism of action and identified the genes involved.

Every day, people die waiting for an organ transplant. Time is at a premium, not just for those awaiting organs, but also for the organs themselves, which can deteriorate rapidly during transportation. Looking to extend the viability of human tissues, researchers report on their efforts to facilitate completely freezing, rather than cooling and then thawing, potentially life-saving organs. They demonstrate a magnetic nanoparticle's successful rewarming of animal tissues.

Rain and water in ponds and lakes slowly seeps into the soil, moving through minute cracks to refill underground aquifers. Per- and polyfluoroalkyl substances (PFAS), often described as forever chemicals, can tag along into groundwater that's later removed for drinking. Researchers analyzed water from over 100 wells in Denmark for one particularly persistent PFAS: trifluoroacetate. They report steadily increasing levels of the forever chemical in recent decades.

The new approach marks a major step forward in the design of AI tools to support clinical decisions in cancer diagnosis, therapy. The model uses features of a tumor's microenvironment to forecast how a patient might respond to therapy and to help inform individualized treatments. The model can expedite the identification of patients not likely to benefit from standard treatments used in some forms of cancer.

A new study shines a light on the enormous scale of uncollected rubbish and open burning of plastic waste in the first ever global plastics pollution inventory. Researchers used A.I. to model waste management in more than 50,000 municipalities around the world. This model allowed the team to predict how much waste was generated globally and what happens to it.

Nuclear clocks would measure time based on changes inside an atom's nucleus, which would make them less sensitive to external disturbances and potentially more accurate than atomic clocks. These clocks could lead to improved timekeeping and navigation, faster internet speeds, and advances in fundamental physics research. Scientists have demonstrated key components of a nuclear clock, such as precise frequency measurements of an energy jump in a thorium-229 nucleus.

Nuclear clocks would measure time based on changes inside an atom's nucleus, which would make them less sensitive to external disturbances and potentially more accurate than atomic clocks. These clocks could lead to improved timekeeping and navigation, faster internet speeds, and advances in fundamental physics research. Scientists have demonstrated key components of a nuclear clock, such as precise frequency measurements of an energy jump in a thorium-229 nucleus.