Science News
Can Large Fluid-Filled Spaces in the Brain Help Identify Those at Risk of Dementia?
Neuroscience News - 28 Jan 2021 04:35
Enlarged perivascular spaces around small blood vessels in the brain may be a biomarker for cognitive decline, and ultimately dementia, a new study reports.
Using zirconium as an additive in super-strong composite materials
EurekAlert! - 28 Jan 2021 09:00
(Nagoya University) Ceramic matrix composites (CMCs) are incredibly strong materials used in jet engines, gas turbines, and cutting tools for nickel superalloys. Aluminum oxide (Al2O3) is hard and chemically inert, and t...
Secrets of Traumatic Stress Hidden in the Brain Are Exposed
Neuroscience News - 28 Jan 2021 04:04
Study sheds light on the effects of allostatic closed-loop neurotechnology on functional brain connectivity in those with traumatic stress.
Breakthrough for laser-induced breakdown spectroscopy
Phys.org - 28 Jan 2021 23:37
Laser-induced breakdown spectroscopy (LIBS) is a rapid chemical analysis tool. A powerful laser pulse is focused on a sample to create a microplasma. The elemental or molecular emission spectra from that microplasma can ...
Harnessing the power of AI to understand warm dense matter
Phys.org - 28 Jan 2021 23:37
The study of warm dense matter helps us understand what is going on inside giant planets, brown dwarfs, and neutron stars. However, this state of matter, which exhibits properties of both solids and plasmas, does not occ...
National laboratories' look to the future of light sources with new magnet prototype
Phys.org - 28 Jan 2021 23:36
With a powerful enough light, you can see things that people once thought would be impossible. Large-scale light source facilities generate that powerful light, and scientists use it to create more durable materials, bui...
Naked mole rats mimic the dialect of their colony's queen
New Scientist - 28 Jan 2021 23:00
Colonies of naked mole rats share the same dialect, which may help them recognise friend from foe - and these are set by the colony's queen
Lasing mechanism found in water droplets
Phys.org - 28 Jan 2021 22:50
Tiny molecular forces at the surface of water droplets can play a big role in laser output emissions. As the most fundamental matrix of life, water drives numerous essential biological activities, through interactions wi...
New catalyst moves seawater desalination, hydrogen production closer to commercialization
Science Daily - 28 Jan 2021 22:47
Seawater is abundant and cheap, making it a tempting resource to meet the world's growing need for clean drinking water and carbon-free energy. Now researchers have reported a new catalyst that can be made quickly and in...
Scientists find key function of molecule in cells crucial for regulating immunity
Science Daily - 28 Jan 2021 22:47
Scientists discovered that AIM2 is important for the proper function of regulatory T cells, or Treg cells, and plays a key role in mitigating autoimmune disease. Treg cells are a seminal population of adaptive immune cel...
Covid-19 news: Germany won't approve Oxford vaccine for people over 65
New Scientist - 28 Jan 2021 21:25
The latest coronavirus news updated every day including coronavirus cases, the latest news, features and interviews from New Scientist and essential information about the covid-19 pandemic
Efficient fluorescent materials and OLEDs for the NIR
Phys.org - 28 Jan 2021 21:14
Near-infrared emitters (NIR) will be of crucial importance for a variety of biomedical, security and defense applications, as well as for (in)visible light communications and the internet-of-things (IoT). Researchers fro...
New concept for rocket thruster exploits the mechanism behind solar flares
Phys.org - 28 Jan 2021 21:04
A new type of rocket thruster that could take humankind to Mars and beyond has been proposed by a physicist at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL).
The Atlantic Ocean is widening. Here's why.
Live Science - 28 Jan 2021 21:01
Sizzling-hot rocks are rising up and pushing on the plates on either side of the Atlantic.
Flowering plants may be 100 million years older than we thought
New Scientist - 28 Jan 2021 20:00
The oldest fossil flowers we have found are about 135 million years old, but a statistical analysis suggests flowering plants evolved as early as 250 million years ago
Strange death of Russian mountaineers may be due to unusual avalanche
New Scientist - 28 Jan 2021 20:00
The Dyatlov Pass incident, which saw nine Russian mountaineers die in mysterious circumstances in 1959, has been the subject of many conspiracy theories, but now researchers say an unusual avalanche is to blame
Our dexterous thumbs have a 2 million-year-old origin
New Scientist - 28 Jan 2021 20:00
Our thumbs allow us to use a variety of tools, from hammers to smartphones, and a new analysis of hominin fossils suggests they have a long history
Russia's 'Dead Mountain' conspiracy theory may have been solved with an avalanche
Live Science - 28 Jan 2021 20:00
The infamous Dyatlov Pass incident, where 9 hikers died under mysterious circumstances, just got its first scientific explanation after 60 years of speculation.
Zapping quantum materials with lasers tells us how atoms relate
Phys.org - 28 Jan 2021 19:18
Phase transitions are a fundamental piece of physics and chemistry. We're all familiar with different phases of water, for example, but this idea of a system of particles changing what it looks like and how it behaves is...
Scientists Want to Fight Climate Change by Blocking the Sun With Dust
Singularity Hub - 28 Jan 2021 19:00
In the past few years, scientists have hatched some pretty crazy-sounding schemes in the name of protecting Earth and its inhabitants. From building an underwater wall 120 kilometers long to try to save a glacier to clou...
Improvements to holographic displays poised to enhance virtual and augmented reality
Phys.org - 28 Jan 2021 19:00
Researchers have developed a new approach that improves the image quality and contrast for holographic displays. The new technology could help improve near-eye displays used for virtual and augmented reality applications...
Puppy prints and wall illusions found in 1,500-year-old house in Turkey
Live Science - 28 Jan 2021 18:20
Archaeologists have discovered a fantastical-looking, 1,500-year-old house in Turkey that was decorated with illusory wall paintings and terracotta tiles on the floor with puppy prints and possible chicken decorations pr...