In adolescents, sedentary time may increase heart size three times more than moderate-to-vigorous physical activity. [ + ]

Human activities emit many kinds of pollutants into the air, and without a molecule called hydroxide (OH), many of these pollutants would keep aggregating in the atmosphere. [ + ]

Researchers have identified a strategy to silence the production of free radicals in leukaemia cells, in turn strengthening their response to current therapies. [ + ]

Complications from pregnancy and childbirth can have deadly implications as long as 50 years later, according to a new study. [ + ]

Researchers analysed samples of the asteroid and found uracil — one of the informational units that make up RNA — as well as nicotinic acid, also known as vitamin B3. [ + ]

Proteomics International's diagnostic test works by measuring the concentration of biomarkers in the blood that are associated with endometriosis. [ + ]

The new discovery in stem cells — initially believed to be an error in the lab — has potential translational impacts in cancer biology and associated targeted treatments. [ + ]

The tiny wearable microscopes offer high-resolution, high-contrast and multicolour imaging in real time across previously inaccessible regions of the spinal cord. [ + ]

Scientists have used a single-atom-thick nanomaterial to build a device that can simultaneously detect the presence of the viruses that cause COVID-19 and the flu. [ + ]

Researchers used a data-driven approach to predict sex-specific obesity status based on multimodal brain signatures. [ + ]

Introducing bacteria to a tumour's microenvironment creates a state of acute inflammation that triggers the immune system's primary responder cells to attack rather than protect a tumour. [ + ]

Researchers have successfully developed a strip-type urine sensor that can amplify the light signal of metabolites in urine for diagnosing cancer in the field. [ + ]

Researchers have found increasing emissions of several ozone-depleting chemicals, despite their production being banned for most uses under the Montreal Protocol. [ + ]

Researchers have demonstrated that a treatment called sublingual immunotherapy is effective and safe, offering durable desensitisation to peanuts in peanut-allergic children. [ + ]

Researchers used a non-invasive imaging method to better study atherosclerosis in mice, which helps them to better understand and treat narrowing of blood vessels. [ + ]