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Phys.org / Radiocarbon dating rewrites angiosperm trees' lifespan records worldwide

For decades, scientists have relied on tree rings to estimate how long trees can live. But new research suggests that this widely used method may have been underestimating the lifespan of many flowering trees—sometimes ...

22 hours ago in Biology
Phys.org / How natural history museums can help restore the natural world

Natural history museums contain an astonishing snapshot of the planet's biodiversity. Using this information to better research and inform conservation projects could help lead the way in nature recovery and restoration.

10 hours ago in Biology
Phys.org / Effective marine protection can more than triple dive tourism revenue

Funding sustained, effective management of marine protected areas is one of ocean conservation's most stubborn problems. Now, a new study from researchers at UC San Diego's Scripps Institution of Oceanography links fish recovery ...

10 hours ago in Biology
Phys.org / Loneliness linked to fear of embarrassment, teen research reveals

A University of the Sunshine Coast study of young teenagers has identified a vicious cycle of loneliness linked to the fear of embarrassment or judgment by peers. The study of more than 170 children aged 13 to 15 found that ...

10 hours ago in Other Sciences
Phys.org / Rice-based cheese? Study points to possibility for new rice markets

For vegans and people who are allergic to dairy, nuts or gluten, rice is a surprising source to make a hypoallergenic alternative cheese. As a bonus, the protein sources in rice are considered byproducts of white rice processing, ...

10 hours ago in Biology
Tech Xplore / AI is making life-changing decisions—researchers say we need a better way to keep it fair

Every day, algorithms make consequential decisions about millions of people's lives—who gets approved for a mortgage, who is called back for a job interview, who receives priority care in a hospital emergency room. Most ...

10 hours ago in Machine learning & AI
Medical Xpress / How AI could speed treatment for patients with this deadly cancer

Acute myeloid leukemia, or AML, is a rare and aggressive cancer that can affect people of all ages. Kiran Vanaja, an assistant research professor in bioengineering at Northeastern University, says that AML also has a high ...

10 hours ago in Oncology & Cancer
Medical Xpress / Emotions drive our eating choices

New research from Flinders University has revealed why many people struggle to stick to their dieting goals, particularly when their emotions fluctuate throughout the day. The study, published in the journal Food Quality ...

10 hours ago in Psychology & Psychiatry
Phys.org / Poking a nanostring: Scientists uncover energy cascades in tiny resonators

Scientists at TU Delft have designed a nanostring that, when poked, doesn't lose its energy to the environment immediately. Instead, the energy leaks out within the string, triggering a cascade of distinct vibrational modes. ...

22 hours ago in Nanotechnology
Phys.org / Four decades of data give unique insight into the sun's inner life

Scientists have analyzed more than 40 years of astronomical data to uncover evidence that the sun's internal structure subtly changes from one solar cycle minimum to the next. Publishing their findings in Monthly Notices ...

22 hours ago in Astronomy & Space
Phys.org / Paternal mitochondria in plants can rescue defective maternal DNA, study reveals

In most plants and animals, including humans, mitochondria are inherited exclusively, or nearly exclusively, from the mother. By contrast, paternal transmission is observed only occasionally, and the mechanisms behind this ...

23 hours ago in Biology
Medical Xpress / How estrogen helps protect women from high blood pressure

High blood pressure, or hypertension, affects more than one billion people worldwide and is a leading cause of heart disease and stroke. For decades, researchers have observed that premenopausal women are less likely to develop ...

10 hours ago in Cardiology