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Science
“#Probing dark matter with the Higgs boson” Figure 1: Mass of the leading two jets (x-axis) in the search region with all background processes stacked and compared to data. A hypothetical Higgs boson signal decaying to invisible final states is shown in red. Credit: ATLAS Collaboration/CERN Visible matter—everything from pollen to stars and galaxies—accounts for…
“#After coronavirus: how seasonal migration and empty centres might change our cities” The changes to urban space brought by the coronavirus have many people asking what the post-pandemic city might look like. For example, as people may continue to avoid crowds for fear of becoming ill and more are able to work from home, will…
“#Study finds warming peat may boost greenhouse gases” SPRUCE study site for studying effects of warming temperatures on peatland. Credit: Oak Ridge National Laboratory Warming temperatures in cold-climate peatlands may over time trigger decomposition of old, deeply buried peat and increase emissions of climate-harming methane and carbon dioxide into the air, according to a study…
“#Rare moss clinging to life on B.C. cliff should be protected, says expert” The rare slender yoke-moss, which lives on a square metre of limestone cliff on the island of Haida Gwaii, is facing threats from a changing climate and competing algae and lichens, says a U of A plant scientist. Credit: René Belland A…
“#What is a derecho? An atmospheric scientist explains these rare but dangerous storm systems” Derechos occur fairly regularly over large parts of the U.S. each year, most commonly from April through August. Credit: Dennis Cain/NOAA Thunderstorms are common across North America, especially in warm weather months. About 10% of them become severe, meaning they produce…
“#Predicting the future response to our current cascading crises” Credit: CC0 Public Domain If the past hundred days or so have taught us anything it should be humility about our ability to predict the future. Here, in New York City, we have seen the horror of a pandemic that locked many of us in our…
“#What the archaeological record reveals about epidemics throughout history – and the human response to them” These round lesions are pathognomonic signs of syphilis. Credit: Charlotte Roberts, CC BY-ND The previous pandemics to which people often compare COVID-19—the influenza pandemic of 1918, the Black Death bubonic plague (1342-1353), the Justinian plague (541-542) – don’t seem…
“#New lithium-rich Cepheid discovered in the Milky Way” Spectral energy distribution of V363 Cas. Credit: Catanzaro et al., 2020. Italian astronomers have reported the discovery of a new lithium-rich galactic Cepheid star, identified by high-resolution spectroscopic observations. The newfound object, designated V363 Cas, is the fifth lithium-rich classical Cepheid in our Milky Way galaxy. The…
“#Don’t count your fish before they hatch: experts react to plans to release 2 million fish into the Murray Darling” A Murray hardyhead after environment agencies transplanted a population of the endangered native fish. Credit: North Central Catchment Management Authority The New South Wales government plans to release two million native fish into rivers of…
“#Rethinking our built and open spaces after a pandemic” Credit: CC0 Public Domain Keep six feet away from others. Avoid crowds. Stay home. In this time of a pandemic, social distancing guidelines promote separation to avoid catching and slow the spread of the virus that causes COVID-19. As local and state governments begin to reopen…