'Blue whirls' -- small, spinning blue flames that produce almost no soot when they burn -- have attracted great interest since their discovery in 2016, in part because they represent a potential new avenue for low-emission combustion. Now, a team of researchers has identified how these intriguing whirls are structured.

According to ARRS' American Journal of Roentgenology (AJR), 537 of 4,696 second-opinion reports--11.4%, likely underestimated, too--were not read by a clinician. The imaging modality with the highest rate of not being read was sonography (62.5%), the requesting specialty with the highest rate was pediatrics (33.8%), and the radiologic subspecialty with the highest rate was interventional radiology...

COVID-19 has some symptoms in the upper and lower gastrointestinal tracts that may help doctors rule out flu or other illnesses and hasten treatment.

University of Otago researchers have learnt more about how viruses operate and can evade the immune system and are now using their discovery to help learn more about COVID-19.

Does fat matter in kidney disease? The investigators found that all measures of higher abdominal fat content (including visceral fat, liver fat, or subcutaneous fat) and slower walk times were associated with increased levels of cardiometabolic risk factors in adults with non-dialysis dependent kidney disease. These data highlight that abdominal fat measures and lower physical fitness levels are...

Nearly 40 years of satellite data from Greenland shows that glaciers on the island have shrunk so much that even if global warming were to stop today, the ice sheet would continue shrinking.

From Sinatra to Katy Perry, celebrities have long sung about the power of a smile -- how it picks you up, changes your outlook, and generally makes you feel better. But is it all smoke and mirrors, or is there a scientific backing to the claim? Groundbreaking research from the University of South Australia confirms that the act of smiling can trick your mind into being more positive, simply by...

New research by Dr Camilla Whittington and her team at the University of Sydney has found male seahorses transport nutrients to their developing babies during pregnancy. This discovery provides an opportunity for further comparative evolutionary research.

Have you heard of DNA? It stands for Do Not Abbreviate apparently. Jokes aside, it's the most widely used acronym in scientific literature in the past 70 years, appearing more than 2.4 million times.

‘We do believe there will be further cases,’ says New Zealand’s Ashley Bloomfield; Russia vaccine not yet completed its final trials; global deaths climb towards 750,000. Follow the latest updates‘They’ve jumped the gun’: scientists worry about Russia’s Covid-19 vaccineCovid-19 may have been circulating in New Zealand for weeks, as fresh case emergesFrench and Dutch on alert over...

By making mice bioluminescent, scientists have found a way to monitor the activity of mitochondria in living organisms.

Neuroscientists have discovered that the degree of motivation and the stamina to keep it up depends on the ratio between the neurotransmitters glutamine and glutamate in the nucleus accumbens of the brain.

Since the early 1930s, electron microscopy has provided unprecedented access to the alien world of the extraordinarily small, revealing intricate details that are otherwise impossible to discern with conventional light microscopy. But to achieve high resolution over a large specimen area, the energy of the electron beams needs to be cranked up, which is costly and detrimental to the specimen under...

The location of the Mauritian oil spill means the environmental consequences could be long-lasting.

The raptors have bred on an estate in the Scottish Highlands for the first time in 40 years.