- BBC Science/Nature
- 21/6/8 23:52
The Northern Isles followed by Lochinver are expected to have the country's best view of the moon partially obscuring the sun.
286 articles from TUESDAY 8.6.2021
The Northern Isles followed by Lochinver are expected to have the country's best view of the moon partially obscuring the sun.
The speed of water flow is a limiting factor in many membrane-based industrial processes, including desalination, molecular separation and osmotic power generation.
If your idea of conspiracy theories entails aliens, UFOs, governmental cover-ups at Roswell Air Force Base, and the melody of The X-Files—you're not alone. That was, indeed, the classic notion, says Scott Tyson, an assistant professor of political science at the University of Rochester.
Most cities in São Paulo state (Brazil) have low potential capacity to adapt to climate change in terms of the ability to formulate public policy that facilitates the revamping of their housing and transportation systems, for example, to account for the impact of climate change.
Using drones and artificial intelligence to monitor large colonies of seabirds can be as effective as traditional on-the-ground methods, while reducing costs, labor and the risk of human error, a new study finds.
The five-year Pacific Salmon Strategy will fund four pillars: conservation and stewardship, hatcheries, harvest transformation and integrated...
A research team from the University of Massachusetts Amherst has created an electronic microsystem that can intelligently respond to information inputs without any external energy input, much like a self-autonomous living organism. The microsystem is constructed from a novel type of electronics that can process ultralow electronic signals and incorporates a device that can generate electricity...
Since the end of the long-running conflict in Colombia, large areas of forest have been rapidly converted to agricultural uses, suggesting the peace agreement presents a threat to conservation the country's rainforest.
In a study of healthy volunteers, researchers have mapped out the brain activity that flows when we learn a new skill, such as playing a new song on the piano, and discovered why taking short breaks from practice is a key to learning.
The promotion and marketing of unproven stem cell therapies is a global problem that needs a global solution, say experts. The authors of the paper call for the World Health Organization (WHO) to establish an advisory committee on regenerative medicine to tackle this issue and provide guidance for countries around the world.
The spectacularly colorful aurora borealis -- or northern lights -- that fills the sky in high-latitude regions has fascinated people for thousands of years. Now, a team of scientists has resolved one of the final mysteries surrounding its origin.
A team of astronomers has completed the first census of molecular clouds in the nearby universe. The study produced the first images of nearby galaxies with the same sharpness and quality as optical imaging and revealed that stellar nurseries do not all look and act the same. In fact, they're as diverse as the people, homes, neighborhoods, and regions that make up our own world.
Astronomers have taken a big step forward in understanding the dark and violent places where stars are born. Over the past five years, an international team of researchers has conducted the first systematic survey of 'stellar nurseries' across our part of the universe, charting the more than 100,000 of these nurseries across more than 90 nearby galaxies and providing new insights into the origins...
High-value chemicals used in biofuels and pharmaceuticals can be made from bacteria by switching their chemistry to produce novel products. Researchers have found a way to drastically cut the cost of turning on these switches.
Archaeology team is now fairly confident they have located the lost Indigenous northeast Florida community of Sarabay, a settlement mentioned in both French and Spanish documents dating to the 1560s but had not been discovered until now.
A simple chemical process creates light and highly absorbent aerogels for environmental remediation or as membranes for batteries and other applications.
Scientists have identified a novel gene, Per2AS, that controls the sleep/wake cycle in mice. Per2AS appears to be a new type of gene, known as a non-coding gene. Unlike most other genes, Per2AS is not translated from RNA into a subsequent protein, thus making its function unclear until now.
Researchers have shown that even after lung tissue has been damaged, it may be possible to reverse fibrosis and promote tissue repair through treatment with microgel-coated mesenchymal stromal cells.
Researchers found monarchs raised in captivity can successfully migrate if given time to orient themselves. They discovered this by equipping the butterflies with tiny radio transmitters and monitoring them for 200 km, debunking previous research that found the butterflies couldn't orient themselves. Monarchs released into the wild flew in the proper direction because they were exposed to natural...
Scientists have pioneered a new approach to help biological engineers both harness and design the evolutionary potential of new biosystems. Their concept of the 'evotype' lays a foundation for the next generation of stable, safe and self-improving biotechnologies.
Last year a physicist proposed an experiment that could conclusively prove whether gravity is a quantum phenomenon. In a new article, he describes how two types of noise could be reduced and suggests that quantum interference could be applied in the production of a sensitive instrument that could detect movements of objects ranging from butterflies to burglars and black holes.
Mining involves moving a lot of rock, so some mess is expected. However, mining operations can continue to affect ecosystems long after activity has ended. Heavy metals and corrosive substances leach into the environment, preventing wildlife and vegetation from returning to the area.
Researchers have developed a novel multi-well, continuous-flow microfluidic device that may help scientists and pharmaceutical companies more effectively study drug compounds and their crystalline shapes and structures, which are key components for drug stability.
The presence of amino acids on the prebiotic Earth is widely accepted, either coming from endogenous chemical processes or being delivered by extraterrestrial material. On the other hand, plausibly prebiotic pathways to peptides often rely on different aqueous approaches where condensation of amino acids is thermodynamically unfavorable. Now, chemists from the Ruđer Bošković Institute (RBI), in...
The COVID-19 pandemic created numerous changes and challenges for many people. In the education field, teachers were asked to re-create lesson plans and student interactivity in a virtual realm, something many had never experienced.
Mining involves moving a lot of rock, so some mess is expected. However, mining operations can continue to affect ecosystems long after activity has ended. Heavy metals and corrosive substances leach into the environment, preventing wildlife and vegetation from returning to the area.
Researchers at the University of Illinois Chicago have developed a novel continuous-flow microfluidic device that may help scientists and pharmaceutical companies more effectively study drug compounds and their crystalline shapes and structures, which are key components for drug stability.
Last year, Anupam Mazumdar, a physicist from the University of Groningen, together with colleagues from the UK proposed an experiment that could conclusively prove whether gravity is a quantum phenomenon. This experiment would focus on observing two relatively large, entangled quantum systems in free fall. In a new article, published on 4 June in Physical Review Research, the scientists describe...
Since the end of the long-running conflict in Colombia, large areas of forest have been rapidly converted to agricultural uses, suggesting the peace agreement presents a threat to conservation the country's rainforest, a new study from Oregon State University shows.
Scientists from the University of Bristol have pioneered a new approach to help biological engineers both harness and design the evolutionary potential of new biosystems. Their concept of the "evotype" lays a foundation for the next generation of stable, safe and self-improving biotechnologies.
Monarch butterflies raised indoors still know how to fly south if given enough time to orient themselves, according to new University of Guelph research.
As surely as the rains fall and flowers blossom, the Northern Hemisphere awakens every June to another, less inspiring rite of spring—a new peak level for global atmospheric carbon dioxide. This year, that number is 419 carbon dioxide molecules for every million molecules of air, a.k.a. parts per million.
Eggs littered the sand, but there was no sign of life around or in them.
The U.S. 9th Circuit Court of Appeals this week rejected a decision by the Trump administration that Pacific walrus no longer qualified to be listed as a threatened species.
Newly vaccinated travelers enjoying a return to trips abroad may find a drug-resistant "superbug" hitching a ride in their gut, a study in Genome Medicine says.
Financing a sustainable global ocean economy may require a Paris Agreement-type effort, according to a new report from an international team of researchers led by the University of British Columbia.
Researchers have developed a 'library of properties' to help identify the environmental impact of nanomaterials faster and more cost effectively.
The University of North Florida archaeology team is now fairly confident they have located the lost Indigenous northeast Florida community of Sarabay, a settlement mentioned in both French and Spanish documents dating to the 1560s but had not been discovered until now.
The "miracle of life" is most obvious at the very beginning: When the fertilized egg cell divides by means of furrows into blastomeres, envelops itself in an amniotic sac, and unfolds to form germ layers. When the blastomeres begin to differentiate into different cells—and when they eventually develop into a complete organism.