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Phys.org / Surface design transforms thermal management and enables frictionless systems

A research team led by Professor Steven Wang, Associate Vice President (Resources Planning) and Associate Professor in the Department of Mechanical Engineering and School of Energy and Environment, has designed a revolutionary ...

6 hours ago
Phys.org / Unsealing cells' 'black box' strategy to regulate gene activation

While scientists have known for more than two decades that all cells use a strategy called RNA interference to regulate gene expression, a new study is the first to describe how a specific protein manages the step-by-step ...

9 hours ago
Phys.org / Heat stress linked to higher koala hospitalizations and deaths above 27 C

New research from the University of Sydney has provided the first associative link between heat stress and koala mortality. Published in Biology Letters, the results highlight how even moderate temperature rises can increase ...

4 hours ago
Phys.org / Five-tea comparison reveals kombucha's biological properties depend on starting point

Over the past few years, kombucha has become one of the world's most popular fermented beverages. While most consumers focus primarily on its taste, scientists are increasingly analyzing its chemical composition and potential ...

10 hours ago
Phys.org / Plastic upcycling method turns food packaging into faster-degrading materials

Scientists have discovered a way to convert widely used plastics into new materials with distinct properties that degrade more rapidly. Applying this new process to upcycle existing plastics—such as those used for food packaging ...

4 hours ago
Phys.org / Divers may think they protect reefs, but one unseen habit is taking a steady toll

Research at the University of Sydney has found that scuba-diving tourism—widely promoted as a sustainable way to experience coral reefs—is causing frequent and often hidden damage to fragile marine ecosystems.

16 hours ago
Phys.org / Trophic rewilding by large herbivores supports insect diversity, scientists find

Insects are declining across Europe. Czech scientists have determined this decline can be mitigated by returning large ungulates—horses, aurochs cattle, and wisents—to landscapes. This has been shown by a recent study by ...

11 hours ago
Medical Xpress / The nocebo effect: How prior experience and verbal suggestion rewire the brain to make pain worse

Researchers have a better understanding of the nocebo effect and the neuroscience behind it all. Opposite of the better-known placebo effect, where positive expectations trigger genuine pain relief, the nocebo effect is the ...

9 hours ago
Phys.org / Ancient dust points to retreat of West Antarctic Ice Sheet during last warm period

Antarctica's Ross Ice Shelf and the West Antarctic Ice Sheet may have been far smaller during one of Earth's most recent warm periods, according to a new study that traced the origin of ancient dust preserved in Antarctic ...

5 hours ago
Medical Xpress / Immune memory cells in ovarian cancer produce tumor-targeting antibodies, opening a vaccine path

While we tend to quickly forget having been ill or having received a vaccine, the immune system remembers remarkably well. It has memory B cells—"trained" immune cells that circulate throughout the body in search of harmful ...

10 hours ago
Phys.org / How did we learn which plants are safe to eat? Food scientists explain

Have you ever eaten a green potato, or a bunch of rhubarb leaves? Hopefully not, because these two plant parts can be toxic to humans. While they may seem edible, they contain chemicals that can make you seriously ill.

14 hours ago
Medical Xpress / AI may speed up cultural adaptation of psychological treatment for migrants

In a new study from Karolinska Institutet, researchers investigated whether AI-generated versions of two common CBT techniques would be perceived as equally culturally relevant and acceptable as versions adapted by a human ...

3 hours ago