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Phys.org / This 2,200-year-old Roman wreck hid a repair story that rewrites how ancient ships survived long voyages

Ever since humans have embarked on sea voyages, they needed to ensure vessels were waterproof, resistant to salty seawater, and could withstand microorganisms or sea-dwellers like worms. Until the mid-20th century, however, ...

Apr 24, 2026
Phys.org / From the Pampas to Patagonia, DNA reveals South America's human history

A new genetic study shows that cultural diversity in the so-called Southern Cone—the roughly triangular southernmost part of South America—was strongly influenced by extensive human migration. An international research team ...

Apr 23, 2026
Phys.org / Natural-language AI helps chemists design molecules step by step

Designing molecules is one of chemistry's most complex challenges. From life-saving drugs to advanced materials, each compound requires a precise sequence of reactions. Planning these steps demands both technical knowledge ...

Apr 24, 2026
Phys.org / Classical physics can explain quantum weirdness, study shows

When you throw a ball in the air, the equations of classical physics will tell you exactly what path the ball will take as it falls, and when and where it will land. But if you were to squeeze that same ball down to the size ...

Apr 22, 2026
Medical Xpress / As heart, kidney and metabolic health worsen, cancer risk may rise, research indicates

People with advanced heart, kidney, and metabolic disease may face a higher risk of developing cancer, according to new research published in Circulation: Population Health and Outcomes. The combination of heart, kidney, ...

Apr 27, 2026
Phys.org / Sombrero Galaxy's vast halo emerges in rare detail 30 million light-years away

Messier 104, nicknamed the Sombrero Galaxy, is a popular target for amateur observing and astronomical research. Its recognizable extended halo, as well as a faint stellar stream, are captured in exquisite detail in this ...

Apr 24, 2026
Medical Xpress / Where people get their news influences their beliefs about vaccines, survey finds

People who follow "new right" media outlets are more than twice as likely to be vaccine-hesitant compared to those who never engage with those outlets, a new Johns Hopkins University study finds.

Apr 27, 2026
Phys.org / Fairer disaster aid arrives just as fast with a new routing algorithm

Researchers from Koç University and international collaborators have developed a new algorithm that enables faster and more equitable distribution of disaster relief supplies. By integrating fairness directly into logistics ...

Apr 26, 2026
Phys.org / Put a nanodiamond under intense pressure and it becomes flexible

Diamond is among the hardest naturally occurring substances on Earth, but if you shrink it down to the nanoscale, it is surprisingly elastic. And that could be useful for a host of applications such as quantum computing. ...

Apr 21, 2026
Phys.org / Novel study maps changes in US immigration policy landscape since 9/11

In a comprehensive analysis of state and local sanctuary and anti-sanctuary policies, researchers have mapped the rapidly evolving legal immigration landscape in the US from 2000 to 2021. The dataset sheds light on trends ...

Apr 27, 2026
Science X / How do you CT scan a 400‑pound crocodile? One surprising finding may change his care

At 61 years old, Bill had started showing changes to his health—decreased appetite, weight loss, and abdominal bloating. But his blood work was normal, leaving the cause of his symptoms unknown. The next step was clear: Bill ...

Apr 25, 2026
Phys.org / New bioreactor turns stem cells into an immune-cell factory, producing 40 million human macrophages per week

Researchers at Hannover Medical School (MHH) have developed a method for the efficient production of human immune cells, such as macrophages, in medium-sized bioreactors. These immune cells can be derived from induced pluripotent ...

Apr 23, 2026