The vital role of ventilation in the spread of COVID-19 has been quantified by researchers, who have found that in poorly-ventilated spaces, the virus spreads…
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Heliconius melpomene butterflies mating in captivity in Panama. Credit: Kelsey Byers Butterflies have evolved to produce a strongly scented chemical in their genitals that they…
The drug remdesivir is likely to be a highly effective antiviral against SARS-CoV-2, according to a new study by a team of UK scientists. Writing…
Artist’s impression of the system, with the star at the center, and the inner dust belt from which gas is produced and dispersed outwards to…
Scientists have used genome sequencing to reveal the extent to which a drug-resistant gastrointestinal bacterium can spread within a hospital, highlighting the challenge hospitals face…
Representative image of three-dimensional human lung alveolar organoid showing alveolar stem cell marker, HTII-280 (red) and SARS-CoV-2 entry protein, ACE2 (green). Credit: Jeonghwan Youk, Taewoo…
A team of researchers have tested everything from t-shirts and socks to jeans and vacuum bags to determine what type of mask material is most…
The researchers used brain imaging to explore other brain regions affected by sgACC over-activity during threat. Over-activation of sgACC increased activity within the amygdala and…
The first large-scale study of the risks that countries face from dependence on water, energy, and land resources has found that globalization may be decreasing,…
Our brains can’t always reliably evaluate experiences that unfold over time We tend to give disproportionate weight to the later part of an experience This…
The first complete dinosaur skeleton ever identified has finally been studied in detail and found its place in the dinosaur family tree, completing a project…
This device, developed by a team from the University of Cambridge, is a significant step toward achieving artificial photosynthesis — a process mimicking the ability…
Transgender and gender-diverse adults are three to six times more likely as cisgender adults (individuals whose gender identity corresponds to their sex assigned at birth)…
Quantum laser light is shone onto a chemical molecule that we wish to measure. Then the light passes our “magic” quantum filter. This filter discards…
Existing limited evidence suggests that wearing face coverings to protect against COVID-19 does not lead to a false sense of security and is unlikely to…
A 1200-year-old smallpox-infected Viking skeleton found in Öland, Sweden. Credit: The Swedish National Heritage Board Scientists have discovered extinct strains of smallpox in the teeth…
A slice of ground-penetrating radar data from Falerii Novi, revealing the outlines of the town’s buildings. Credit: L. Verdonck The city rises: Archaeologists have revealed…
Image analysis of human gastruloid showing ‘anteroposterior’ patterning. Green is posterior part similar to tail-end of an embryo, magenta is anterior part similar to developing…
Dr. Matt Davey sampling snow algae at Lagoon Island, Antarctica. Credit: Sarah Vincent Scientists have created the first-ever large-scale map of microscopic algae as they…
Inflammation in the Brain Linked to Several Forms of Dementia Inflammation Inflammation in the brain may be more widely implicated in dementia than was previously…