Phys.org news

Phys.org / Nest-building birds help disperse cotton further than wind, study suggests

Birds play a larger role in the dispersal of wild cotton than previously assumed. This is shown by a study in the journal Oikos, carried out in southern Africa. Researchers discovered that birds actively collect wild cotton ...

7 hours ago
Phys.org / Ultrathin BiFeO₃ breaks the 30 nm limit, delivering fourfold stronger piezoelectricity

Piezoelectric materials, which convert mechanical stress into electricity and vice versa, are essential components in sensors, actuators, and energy-harvesting devices. However, the best piezoelectric materials, such as lead ...

7 hours ago
Phys.org / Earth's toughest microbes could help save the planet and find life on other worlds

Extremophiles may well be tiny, but they are making a huge contribution to the health of our planet and our lives. A new review of these microorganisms, published in the journal Frontiers in Microbiology, explains how they ...

14 hours ago
Phys.org / How humans took over the planet: The role of cultural evolution

Humans really do rule the world. We took over fast and far, more than any other wild vertebrates. We inhabit nearly every corner of the world, and can thrive in deserts, tropical rainforests and even extremely cold climates. ...

8 hours ago
Phys.org / Past intensive whaling threatens the future of bowhead whales

A unique collection of prehistoric bowhead whale bones, dating back 11,000 years, reveals a previously untold story of the relative impacts of humans on nature. The time series of ancient fossils show that commercial hunting ...

7 hours ago
Phys.org / Proof-of-concept quantum battery shows faster charging as it gets larger

Australian scientists have made a significant leap forward in energy storage technology with the world's first proof-of-concept quantum battery. Similar to conventional batteries, this quantum version charges, stores and ...

7 hours ago
Phys.org / Discrete time crystal acts as a usable sensor for weak magnetic oscillations

The bizarre properties of discrete time crystals could be harnessed to detect extremely subtle oscillations of magnetic fields, physicists in the US and Germany have revealed. Publishing their results in Nature Physics, a ...

14 hours ago
Phys.org / Bow and arrow arrived about 1,400 years ago across western North America, study finds

A study clarifies the date of an important technological milestone: the adoption of the bow and arrow in western North America. The replacement of older weapons by bows and arrows occurred independently in several prehistoric ...

8 hours ago
Phys.org / Genetic analyses show that many sponge species in the Indo-Pacific are regionally unique

The Indo-Pacific is the largest marine biogeographical region on Earth and a global center of marine biodiversity. Nevertheless, there are gaps remaining in our understanding of the diversity, distribution, and endemism of ...

7 hours ago
Phys.org / Nano 3D metallic parts turn out to be surprisingly strong despite defects

Scientists at Caltech have figured out how to precisely engineer tiny three-dimensional (3D) metallic pieces with nanoscale dimensions. The process can work with any metal or metal alloy and yields components of surprising ...

7 hours ago
Phys.org / From dust to planets: Parabolic flight reveal a turbulent path

How does fine dust aggregate into building blocks that ultimately form entire planets like our Earth? A research team led by the University of Bern, with the participation of ETH Zurich, the University of Zurich and the National ...

8 hours ago
Phys.org / Scientists discover new heavy proton-like particle at CERN

Scientists from the University of Manchester have played a leading role in the discovery of a new subatomic particle at CERN's Large Hadron Collider (LHC). The particle, known as the Ξcc⁺ (Xi‑cc‑plus), is a new type ...

11 hours ago