Phys.org news

Phys.org / Next-generation atomic clock successfully tested at sea

Adelaide University researchers have successfully tested a new type of portable atomic clock at sea for the first time, using technology that could help power the next generation of navigation, communications and scientific ...

2 hours ago
Phys.org / Cosmic dust identified as the source of Venus' enigmatic lower haze

Venus, often called Earth's twin, is in fact a planet of extremes. Beneath its thick carbon dioxide atmosphere are crushing surface temperatures and dense clouds of sulfuric acid. While the planet's main cloud layer sits ...

3 hours ago
Phys.org / Four weeks of 'safe' low-level PFAS exposure in tap water altered embryo development in mice

An Adelaide University study has revealed that per- and polyfluoroalkyl substances (PFAS) found in tap water, at levels currently considered safe, affected the development of embryos, causing irreversible damage that may ...

3 hours ago
Phys.org / Bats on a break: Tracking the secret life of pond bats

What do bats do at night when they're not hunting? Using tiny GPS trackers, Leiden researchers discovered that pond bats spend a substantial portion of the night resting—often outdoors. This surprising insight could change ...

3 hours ago
Phys.org / No great equalizer: Young laborers were hit hardest by early modern plague

A multidisciplinary archaeological team has examined plague burials from a 17th-century monastery turned hospital in Basel, Switzerland, shedding light on how social status impacted plague mortality in Early Modern Europe. ...

7 hours ago
Phys.org / Contaminants, including ink, detected in meteorites suggest sample preparation needs improving

The IBeA group of the EHU-University of the Basque Country is proposing new measures to safeguard the purity of extraterrestrial samples. Several contaminants, including traces of ink, originating in the preparation of subsamples, ...

8 hours ago
Phys.org / Ancient graves and DNA uncover family bonds that went beyond genetics

You probably have a member of your family that you're not related to by blood—a step-parent, an adopted cousin, your mom's best friend who you grew up calling your aunt. They're indisputably part of your family, but a DNA ...

9 hours ago
Phys.org / Information from starquakes provides theoretical evidence for 'fossilized' magnetism in stars

For the first time, new theoretical models, published in Astronomy & Astrophysics, connect the magnetism at the surface of long-dead stellar remnants (white dwarfs) with recent evidence of magnetism at the cores of their ...

9 hours ago
Phys.org / Self-interacting dark matter may solve three cosmic puzzles

A study led by UC Riverside physicist Hai-Bo Yu suggests that a new type of dark matter could explain three astrophysical puzzles across vastly different environments. Published in Physical Review Letters, the study proposes ...

17 hours ago
Phys.org / Cracking a 16-year proton mystery as ultra-precise hydrogen measurements confirm a smaller-than-expected core

The simplicity of a hydrogen atom makes it an ideal model for studying atomic structure and interactions. Yet, despite the fact that its simplest form consists of only one proton and one electron, physicists have had a hard ...

21 hours ago
Phys.org / A new fruit wash removes pesticides and extends shelf life

University of British Columbia researchers have developed a natural, biodegradable wash that removed up to 96% of pesticide residue from fruit and slowed browning and moisture loss. This could mean safer apples, grapes and ...

17 hours ago
Phys.org / Mount Etna breaks volcano rules, tapping 80-kilometer-deep magma in a rare fourth category of eruption

Located in Sicily, Mount Etna is Europe's most active volcano. Yet its origin remains largely enigmatic, as no existing geological model fully explains how it formed. In a new study, scientists from the University of Lausanne ...

23 hours ago