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This food compound may help vaccines work better in older adults
This food compound may help vaccines work better in older adults
A naturally occurring compound found in foods such as wheat germ, mushrooms, and aged cheese may help older adults build stronger protection after vaccination. In a small pilot trial, researchers gave spermidine supplements to adults over 65 following their third COVID-19 vaccine
Dying Sun-like stars may kick themselves through space
Dying Sun-like stars may kick themselves through space
Dying Sun-like stars may not fade away quietly. As blobs of gas erupt unevenly from their swollen surfaces, each burst gives the star a tiny push in the opposite direction. Thousands of these random kicks could eventually break apart distant stellar pairs or, in rare cases, drive
New quantum gravity theory links entropy, dark energy, and life
New quantum gravity theory links entropy, dark energy, and life
A new theoretical study offers a possible explanation for how the Universe can grow more complex without violating the second law of thermodynamics. Using a quantum gravity framework called Gravity from Entropy, mathematician Ginestra Bianconi found that the Universe’s total entr
Millions face long-term coastal flooding risk in UK without climate action, scientists war
Millions face long-term coastal flooding risk in UK without climate action, scientists war
A ‘reasonable worst-case scenario’ suggests need for large-scale movement of populations away from reshaped coastUp to 13 million people in the UK face the long-term risk of coastal flooding due to the climate crisis, scientists have warned, with a “reasonable worst-case scenario
Watching too much TV in midlife may shrink the brain
Watching too much TV in midlife may shrink the brain
Watching television very often in midlife may be linked to troubling brain changes decades later. In a study of about 1,700 adults, frequent TV viewers later showed smaller brain regions involved in memory, decision-making, and visual processing, along with more signs of damage i
Ancient mystery on K’gari as world’s largest sand island lakes dried up during rainy era
Ancient mystery on K’gari as world’s largest sand island lakes dried up during rainy era
Ancient sediment reveals that some of K’gari’s deepest lakes vanished around 7,500 years ago, despite unusually heavy rainfall. The surprising discovery suggests changing winds and future climate shifts could threaten the sacred lakes known as the Eyes of K’gari.
Astronomers find the first atmosphere on a rocky world in the habitable zone
Astronomers find the first atmosphere on a rocky world in the habitable zone
Astronomers have found the first confirmed atmosphere around a rocky planet in another star’s habitable zone. The planet, LHS 1140 b, revealed its atmosphere through helium slowly leaking into space. Located 48 light-years away, the world may have preserved its atmosphere for bil
Ancient DNA reveals a chilling secret at China’s 4,000-year-old Shimao city
Ancient DNA reveals a chilling secret at China’s 4,000-year-old Shimao city
Ancient DNA from China’s vast 4,000-year-old Shimao settlement is revealing how one of East Asia’s earliest complex societies was organized. Researchers found that its people were largely descended from local Yellow River farming communities, but also had genetic ties to distant
Leveraging social expectation for charitable donations
Leveraging social expectation for charitable donations
Avoiding guilt is a powerful motivator for charitable giving, according to a study in PNAS Nexus. Masahiko Haruno and colleagues ran two experiments to determine the most effective psychological framing to encourage donations to WaterAid, an NGO working to provide clean water and
Birds flying in 'V' formation save energy with flatter flaps, new research shows
Birds flying in 'V' formation save energy with flatter flaps, new research shows
Scientists have known for years that birds like geese and ibises gain an aerodynamic advantage from flying in a "V" formation. Now, researchers from Brown University have provided new insights into the nature of that advantage.
Urgent cuts to global greenhouse gas emissions needed to avoid worst sea-level rise floodi
Urgent cuts to global greenhouse gas emissions needed to avoid worst sea-level rise floodi
A pioneering study has revealed that by the turn of the next century, at least half a million more people in the UK will be at risk of coastal flooding—a 25% increase compared with now. The research, led by the Met Office and the University of Bristol, quantifies for the first ti
Great Apes kiss and cuddle to keep the peace, says study
Great Apes kiss and cuddle to keep the peace, says study
Hugging before stressful events may be an ancient way of building trust, say scientists studying apes. O recorte ajuda a contextualizar a pauta dentro de Agro.