145 articles from WEDNESDAY 3.5.2023
Study finds J0049−2525 is the most massive pulsating white dwarf
Astronomers have conducted photometric observations of a white dwarf known as J004917.14−252556.81. Results of the observational campaign detected photometric variability of this object, making J004917.14−252556.81 the most massive pulsating white dwarf known to date. The finding is reported in a paper published April 18 in Monthly Notices of the Royal Astronomical Society.
Great apes found to engage in reciprocal food exchange under the right circumstances
A trio of psychologists from the Hebrew University of Jerusalem, the University of York and Duke University has found that great apes may sometimes engage in reciprocal food exchange under the right circumstances. In their study, reported in the journal Proceedings of the Royal Society B, Avi Benozio, Bailey House and Michael Tomasello conducted treat-giving experiments with captive chimpanzees...
Single-molecule valve: Breakthrough in nanoscale control
- ScienceDaily
- 23/5/3 16:00
A research group has succeeded in regulating the flow of single molecules in solution by opening and closing the nanovalve mounted on the nanofluidic device by applying external pressure. The research group fabricated a device with a ribbon-like, thin, soft glass sheet on the top, and at the bottom a hard glass substrate having nanochannels and nanovalve seats. By applying external pressure to the...
Indo-Pacific corals more resilient to climate change than Atlantic corals
- ScienceDaily
- 23/5/3 16:00
In the face of global warming and other environmental changes, corals in the Atlantic Ocean have declined precipitously in recent years, while corals in the Pacific and Indian Oceans are faring better. By describing several species of symbiotic algae that these corals need to grow, an international team has found that these mutualistic relationships from the Indo-Pacific may be more flexible and...
Evidence-based paper calls for corporal punishment ban
Corporal punishment should be prohibited nationally and supported by a public education campaign and greater access to parental supports, according to a new research paper.
Astronomers find distant gas clouds with leftovers of the first stars
Using ESO's Very Large Telescope (VLT), researchers have found, for the first time, the fingerprints left by the explosion of the first stars in the universe. They detected three distant gas clouds whose chemical composition matches what we expect from the first stellar explosions. These findings bring us one step closer to understanding the nature of the first stars that formed after the Big...
Indigenous people living near oil fields in the Peruvian Amazon have high levels of metals in their urine
Indigenous communities living near oil exploration sites in the Peruvian Amazon have high levels of mercury, cadmium and lead in their bodies. This is the conclusion of a study led by Cristina O'Callaghan Gordo, a researcher at the Barcelona Institute for Global Health (ISGlobal). She is also a professor in the Faculty of Health Sciences at the Universitat Oberta de Catalunya (UOC) and co-director...
Astronomers find distant gas clouds with leftovers of the first stars
- ScienceDaily
- 23/5/3 14:53
Using ESO's Very Large Telescope (VLT), researchers have found for the first time the fingerprints left by the explosion of the first stars in the Universe. They detected three distant gas clouds whose chemical composition matches what we expect from the first stellar explosions. These findings bring us one step closer to understanding the nature of the first stars that formed after the Big Bang.
Sleep phase can reduce anxiety in people with PTSD
- ScienceDaily
- 23/5/3 14:53
A new study shows that sleep spindles, brief bursts of brain activity occurring during one phase of sleep and captured by EEG, may regulate anxiety in people with post-traumatic stress disorder (PTSD).
'Gluing' soft materials without glue
- ScienceDaily
- 23/5/3 14:53
If you're a fan of arts and crafts, you're likely familiar with the messy, sticky, frustration-inducing nature of liquid glues. But researchers now have a brand-new way to weld squishy stuff together without the need for glue at all. They've demonstrated a universal, 'electroadhesion' technique that can adhere soft materials to each other just by running electricity through them.
A novel stem cell adhesive using mussels
- ScienceDaily
- 23/5/3 14:53
A team of researchers develops stem cell adhesive for arthritis treatment using mussel adhesion protein and hyaluronic acid.
Engineers tap into good vibrations to power the Internet of Things
- ScienceDaily
- 23/5/3 14:53
In a world hungry for clean energy, engineers have created a new material that converts the simple mechanical vibrations all around us into electricity to power sensors in everything from pacemakers to spacecraft.
The Download: recycling wind turbine blades, and safeguarding AI
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. How chemists could give new life to old wind turbine blades The news: Wind turbines are crucial for addressing climate change, but when they’ve reached the end of their lives, turbine blades could…
Fungal attacks threaten global food supply, say experts
Climate crisis is exacerbating damage caused by crop-destroying fungi, risking ‘global health catastrophe’Fast-rising fungal attacks on the world’s most important crops threaten the planet’s future food supply, scientists have said, warning that failing to tackle fungal pathogens could lead to a “global health catastrophe”.Fungi are already by far the biggest destroyer of crops. They...
Hubble Captures Extraordinarily Bright Interacting Galaxies
Portal origin URL: Hubble Captures Extraordinarily Bright Interacting Galaxies Portal origin nid: 486888Published: Wednesday, May 3, 2023 - 07:00Featured (stick to top of list): noPortal text teaser: This new image from NASA’s Hubble Space Telescope shows interacting galaxies known as AM 1214-255.Portal image: Two blue-white, comma-shaped galaxies: at upper-right...
Gender gap found in research grant award amounts, re-applications
Women researchers received substantially less funding in grant awards than men—an average of about $342,000 compared to men's $659,000, according to a large meta-analysis of studies on the topic.