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Phys.org / Stored water can develop slimy bacterial films: Nanotechnology may be a solution

When drinking water is stored in containers, a thin layer of microorganisms can grow at the interface of the container and water. This thin layer is called a biofilm. It's made up of bacteria that make the water unsafe to ...

Jul 6, 2026
Phys.org / How to create the blackest black ever known: From nature to nanotechnology

Achieving the blackest of blacks has been one of humanity's enduring challenges. It is a frontier that unites modern nanotechnologists with nature's ancient color palette.

Jul 6, 2026
Phys.org / Cultural power distance limits classroom voices across three communication pathways, review finds

A systematic review of research on intercultural communication in higher education finds that cultural "power distance," which is the extent to which people accept unequal authority, continues to shape who speaks, who is ...

Jul 6, 2026
Phys.org / A new net-membrane could clean up some tricky space debris

We've reported on all kinds of wacky ideas for capturing and deorbiting space debris safely. From electric tethers to lasers, engineers and scientists have been trying everything they can think of to deal with the ever-increasing ...

Jul 6, 2026
Phys.org / Heat waves: Expert tips on redesigning UK homes to cope with hotter temperatures

As the UK prepares for the third heat wave of 2026, most people will be hoping to keep cool at home. Building regulations to protect homes from overheating were introduced in 2022. These require all new homes to be checked ...

Jul 6, 2026
Phys.org / Raft of targeted conservation efforts may help boost leopard numbers in sub-Saharan Africa, study suggests

There could be fewer leopards living across sub-Saharan Africa than previously believed, according to a new study that has analyzed suitable habitat and conditions. It is hoped that the research, led by conservation scientists ...

Jul 6, 2026
Medical Xpress / Full-fat dairy shows benefits without raising body fat or cholesterol, study finds

A Canadian study led by University of Toronto researcher Harvey Anderson is offering new evidence in support of consuming full-fat dairy. The findings, published recently in the Journal of Nutrition, demonstrate that three ...

Jul 6, 2026
Medical Xpress / New California law replaces 'sell by' labels on food packaging

Shoppers in California will no longer see "sell by" dates on their groceries.

Jul 6, 2026
Phys.org / Astronomers spot an extremely rare galaxy mega-merger

Scale in the universe is hard to understand from a purely human perspective. Many times, the math just doesn't sit well with our brains, which evolved to capture and process data about the world around us rather than grok ...

Jul 6, 2026
Phys.org / Africa's wildlife laws follow a colonial model that separates people and animals: Why it's not working

Africa is home to many iconic national parks and marine reserves, such as Virunga in the Democratic Republic of the Congo, Niokolo-Koba in Senegal, Kruger National Park in South Africa and Serengeti National Park in Tanzania. ...

Jul 6, 2026
Phys.org / Climate change means an earlier spring, which can be disorienting and threatening for migrating birds

Spring migration has taken flight, but with rising temperatures and shifting seasons, birds are adjusting when and how they migrate to keep up with a rapidly warming climate. Morgan Tingley, a professor of ecology and evolutionary ...

Jul 6, 2026
Phys.org / A holoparasitic plant replaces its own genes with host DNA to survive

All living organisms are known to inherit genes, DNA sequences that contain instructions for producing specific proteins and performing biological functions, from their parents. In some cases, however, genes can also shift ...

Jul 2, 2026