Time intervals measured by stationary and moving observers
Updated: 2023-09-30 18:27:59
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, : Skip to content Menu My journey as writer Contact About Air Quality Matters Discourse for all interested in all things air-quality related Menu My journey as writer Contact About With CO2 doubling , predicted is a 1.9°C rise in GMST : Study September 29, 2023 September 29, 2023 Yay Yay For once I feel like a climate study is not predicting the absolute worse sic possible scenario , itâ s just predicting a serious and pressing one . Roy Spencer and Ron Christy published a paper entitled Effective climate sensitivity distributions from a 1D model of global ocean and land temperature trends , 1970â2021 Phys.org has a version in English In an effort to better understand the effect of CO2 on the atmosphere they looked at historical data of the past 50 years to model the relationship
: Skip to content Menu Follow us on Threads Our Bloggers Google News Substack FaceBook Contribute Contact Search A lethal parasiteâ s secret weapon : infecting non-immune cells September 29, 2023 Ohio State University The organisms that cause visceral  Cutaneous leishmaniasis is a disfiguring skin disease caused by Leishmania major parasites that affects up to 1.2 million people annually in the tropics , while L . donovani parasites cause the less common visceral leishmaniasis that attacks internal organs , affecting an estimated 100,000 people per year . Scientists have suspected L . donovani may stray beyond their immune cell hosts because they linger in the body , but those suspicions have been difficult to confirm with most conventional technologies because the number of infected
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Skip to content Menu Follow us on Threads Our Bloggers Google News Substack FaceBook Contribute Contact Search Walking more than five flights of stairs a day can cut risk of heart disease by 20 study says September 29, 2023 Tulane University Forget walking 10,000 steps a day . Taking at least 50 steps climbing stairs each day could significantly slash your risk of heart disease , according to a new study from Tulane . University The study , published in Atherosclerosis found that climbing more than five flights of stairs daily could reduce risk of cardiovascular disease by 20 Atherosclerotic cardiovascular disease ASCVD along with coronary artery disease and stroke are the leading causes of morbidity and mortality . worldwide âShort bursts of high-intensity stair climbing are a
Skip to content Menu Follow us on Threads Our Bloggers Google News Substack FaceBook Contribute Contact Search Human ancestors challenged giant hyenas for carcasses in Prehistoric simulations September 29, 2023 Scientific Reports Hominins â the group that includes humans and our extinct relatives â may have been capable of competing with giant hyenas for carcasses abandoned by sabre-toothed cats and jaguars during the late-early Pleistocene era approximately 1.2 to 0.8 million years ago in southern Europe . The findings of this modelling study are published in Scientific Reports  and suggest that moderately sized groups of hominins may have been the most successful at . scavenging Previous research has theorised that the number of carcasses abandoned by sabre-toothed cats may have
, Skip to content Menu Follow us on Threads Our Bloggers Google News Substack FaceBook Contribute Contact Search When needs compete , love trumps thirst September 28, 2023 Cornell University Zebra finch While many studies have investigated the neuroscience behind how an animal learns to achieve a goal , such as obtaining water when thirsty , none have understood how animals choose between several competing needs â until . now A Cornell University-led study, published Sept . 27 in the journal Nature used advanced techniques developed by researchers to track the brainâ s dopamine reward system and found â for the first time Ââ this system flexibly retunes toward the most important goal when faced with multiple competing . needs In the study , when a lonely and thirsty male zebra
: Skip to content Menu Follow us on Threads Our Bloggers Google News Substack FaceBook Contribute Contact Search A look at how monsters form : How the hammerhead gets its hammer September 28, 2023 University of Florida A baby hammerhead during development with a nascent hammerhead snout . For weeks , youâ d be hard pressed to tell if the rapidly growing animal was going to become a chicken , a fish , a frog , or even a . human Then out of nowhere : the . hammer In an unprecedented look at perhaps the strangest , most captivating animals in the ocean , University of Florida scientists have documented how hammerhead sharks stretch and distort their skulls into their namesake hammer-like . shape âThis is a look at how monsters form,â said Gareth Fraser , a UF professor of biology who