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Results 61 - 80 of 1833.


Environment - 02.03.2021
Rating tornado warnings charts a path to improve forecasts
Rating tornado warnings charts a path to improve forecasts
The United States experiences more tornadoes than any other country, with a season that peaks in spring or summer depending on the region. Tornadoes are often deadly, especially in places where buildings can't withstand high winds. Accurate advanced warnings can save lives. A study from the University of Washington and the National Oceanic and Atmospheric Administration describes a new way to rate and possibly improve tornado warnings.

Life Sciences - 01.03.2021
How a plant regulates its growth
How a plant regulates its growth
Molecular mechanisms of polar growth in plants Plants grow in two directions: the shoots of plants grow toward the light to make the best use of it, and the roots grow toward the center of the earth into the soil. A team from the Technical University of Munich (TUM), in collaboration with two research groups in Vienna, has now been able to describe in detail how the molecular mechanisms work that control these processes.

Physics - 01.03.2021
Nanoscale sound waves vibrate artificial atom
Nanoscale sound waves vibrate artificial atom
A German-polish research team from Augsburg, Münster, Munich and WrocÅ‚aw successfully mixed nanoscale sound waves and light quanta. In their study published in Optica the scientists use an 'artificial atom' that converts the vibrations of the sound wave to single light quanta - photons - with unprecedented precision.

Earth Sciences - Environment - 01.03.2021
Understanding the Spatial and Temporal Dimensions of Landscape Dynamics
Heidelberg geoinformation scientists develop new computer-based method to analyse topographic changes The Earth's surface is subject to continual changes that dynamically shape natural landscapes. Global phenomena like climate change play a role, as do short-term, local events of natural or human origin.

Environment - Earth Sciences - 01.03.2021
Wildfires May Have Larger Effects on Cloud Formation and Climate Change
As the frequency and size of wildfires continues to increase worldwide, new research from Carnegie Mellon University scientists shows how the chemical aging of the particles emitted by these fires can lead to more extensive cloud formation and intense storm development in the atmosphere. The research was published online Advances.

Astronomy / Space Science - Environment - 01.03.2021
Extinct atom reveals the long-kept secrets of the solar system
Extinct atom reveals the long-kept secrets of the solar system
Using the extinct niobium-92 atom, ETH researchers have been able to date events in the early solar system with greater precision than before. The study concludes that supernova explosions must have taken place in the birth environment of our sun. If an atom of a chemical element has a surplus of protons or neutrons, it becomes unstable.

Physics - Astronomy / Space Science - 01.03.2021
Bottling the world's coldest plasma
Bottling the world’s coldest plasma
Laser-cooled plasma-in-a-bottle could answer questions about the sun, fusion power Rice University physicists have discovered a way to trap the world's coldest plasma in a magnetic bottle, a technological achievement that could advance research into clean energy, space weather and astrophysics.

Physics - 01.03.2021
Photon-photon polaritons: the intriguing particles that emerge when two photons couple
Researchers exploring the interactions between light particles, photons and matter find that optical microresonators host quasiparticles made by two photons. Last updated on Tuesday 2 March 2021 Scientists at the University of Bath have found a way to bind together two photons of different colours, paving the way for important advancements in quantum-electrodynamics - the field of science that describes how light and matter interact.

Art and Design - 01.03.2021
AI Identifies Social Bias Trends in Bollywood, Hollywood Movies
New method can analyze decades of films in a few days Babies whose births were depicted in Bollywood films from the 1950s and 60s were more often than not boys; in today's films, boy and girl newborns are about evenly split. In the 50s and 60s, dowries were socially acceptable; today, not so much. And Bollywood's conception of beauty has remained consistent through the years: beautiful women have fair skin.

Health - Life Sciences - 26.02.2021
Cancer: a new killer lymphocyte enters the ring
Cancer: a new killer lymphocyte enters the ring
A team from SCCL has discovered that CD4 T lymphocytes, which usually play a supporting role in fighting cancer cells, also have the power to destroy them. Treatments for beating tumours are mainly based on CD8 T lymphocytes, which specialise in detecting and eliminating intracellular infections and in killing cancer cells.

Environment - Paleontology - 26.02.2021
Pioneering prehistoric landscape reconstruction reveals early dinosaurs lived on tropical islands
Pioneering prehistoric landscape reconstruction reveals early dinosaurs lived on tropical islands
A new study using leading edge technology has shed surprising light on the ancient habitat where some of the first dinosaurs roamed in the UK around 200 million years ago. The research, led by the University of Bristol, examined hundreds of pieces of old and new data including historic literature vividly describing the landscape as a “landscape of limestone islands like the Florida Everglades?

Health - Pharmacology - 26.02.2021
Single dose of vaccine acts as 'booster' in those with prior COVID-19 infection
Single dose of vaccine acts as ’booster’ in those with prior COVID-19 infection
People who have previously had COVID-19 have an enhanced antibody response with a single dose of RNA vaccine, finds new research co-led by UCL researchers. These are the findings of a study, published as a research letter* in the Lancet , of 51 UK healthcare workers, around half of whom had a previous laboratory-confirmed SARS-CoV-2 infection.

Health - Life Sciences - 26.02.2021
SARS-CoV-2 mutations in competition
SARS-CoV-2 mutations in competition
How dangerous are new mutations of the SARS-CoV-2 virus? An international team involving researchers from the Institute of Virology and Immunology (IVI) of the Federal Food Safety and Veterinary Office BLV and the University of Bern (Switzerland), the Centers for Disease Control and Prevention (USA), and the Friedrich-Loeffler Institute (Germany), has developed an approach that can accurately assess the transmissibility of new virus mutants.

Innovation - Pedagogy - 26.02.2021
A Kazakh experiment in handwriting
A Kazakh experiment in handwriting
New EPFL research on whether handwriting skills transfer when a child writes in two different alphabetic scripts may pave the way for cross-lingual digital tools for the detection of handwriting difficulties. Despite the increasing digitization of education and the use of use of tablets and laptops in schools, handwriting has maintained its central position in learning as the basis of many core educational activities such as taking notes, composing stories and self-expression.

Environment - Earth Sciences - 26.02.2021
Unique evidence links meteorite impact in Mexico to global extinction
Unique evidence links meteorite impact in Mexico to global extinction
Researchers find asteroid dust in impact crater that signalled end of dinosaurs VUB professor Steven Goderis and his team have published unique evidence linking the extinction of dinosaurs to the impact of an asteroid 66 million years ago. For the first time, the scientists found evidence of dust remnants from an asteroid in the Chicxulub impact crater itself in Mexico.

Life Sciences - Physics - 26.02.2021
05.03.: Gastvortrag: Swarming Behaviour in Confinement - How curved surfaces influence pattern formation in biology
Am 05. März 2021 hält Univ. Prof. John W. C. Dunlop einen Vortrag zum Thema "Swarming Behaviour in Confinement - How curved surfaces influence pattern formation in biology." Der Vortrag findet um 14 Uhr online via Webex statt. Der Fachbereich Biowissenschaften lädt herzlich dazu ein! Univ.

Health - Pharmacology - 26.02.2021
Embed Germ Defence behaviours at home to reduce virus spread now and in the future
As COVID-19 vaccines are rolled out, a roadmap for unlocking Britain is announced, new research which looked at data from over 28,000 users of the website 'Germ Defence' since May 2020 highlights the continued, critical importance of breaking chains of virus transmission within our homes.

Chemistry - Materials Science - 26.02.2021
Light-emitting tattoo engineered for the first time
Scientists at UCL and the IIT -Istituto Italiano di Tecnologia (Italian Institute of Technology) have created a temporary tattoo with light-emitting technology used in TV and smartphone screens, paving the way for a new type of "smart tattoo" with a range of potential uses. The technology, which uses organic light-emitting diodes (OLEDs), is applied in the same way as water transfer tattoos.

Computer Science - Life Sciences - 26.02.2021
More ethical and economic model for nanoparticle toxicological studies
More ethical and economic model for nanoparticle toxicological studies
A small caterpillar, considered a plague by all beekeepers, has proved to be a great promise for biomedical research. The larvae of the Galleria mellonella species, known for the damage they cause to beehives, had been object of interest in scientific research for the last decades, specially for their utility as invertebrate models in the study of mechanisms of diseases.

Life Sciences - Health - 26.02.2021
TOPMed: Analyzing human genomes to understand mutations, human evolution
What kind of questions would you ask if you had access to the full DNA makeup of tens of thousands of people? Would you look for disease-causing mutations? Would you be curious about how modern humans are related? Those are some of the issues that researchers are studying as part of a project called TOPMed, the Trans-Omics for Precision Medicine Program.

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