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Researchers have developed an electric thruster designed to intake molecules of air from the upper atmosphere and use them as propellant, potentially allowing satellites in very low orbits to refuel themselves and remain in orbit indefinitely rather than falling back to Earth. The concept could reshape low-orbit missions, cutting the need for onboard fuel and enabling longer-lived Earth observation satellites.

Imaavy (nipocalimab-aahu) has become the first approved treatment for warm autoimmune hemolytic anemia, a rare condition in which the immune system destroys red blood cells. Observers in the science and biotech community are calling it a significant win for the treatment of orphan diseases, noting that patients with wAIHA previously had no approved dedicated therapy. Approval of a drug for such a small patient population highlights growing momentum in rare disease drug development.

A photographer shared images of an evening walk along Copenhagen's harbour, highlighting red tones, the downtown skyline and reflections on the water. The pictures lean into themes of solitude and night-time atmosphere, and have drawn modest engagement from photography and travel audiences interested in urban street scenes.

Photographs of Kirstenbosch, the botanical garden at the foot of Table Mountain in Cape Town, are being shared widely, described as atmospheric. The images highlight the garden's plants, rocks and mountain scenery during the southern hemisphere summer, drawing appreciation from nature and photography enthusiasts across different language communities.

Engineering channel Hacksmith Industries has released episode two of its series building working Batmobile gadgets, attracting nearly half a million likes. The team applies real-world engineering to recreate technology from Batman films, continuing a popular format of turning fictional movie tech into functional prototypes.

A new study in Nature reports that cell-free RNA found in urine can be used to detect bladder cancer and predict how patients respond to treatment. The liquid biopsy approach could offer a non-invasive alternative to cystoscopy, potentially enabling earlier diagnosis and closer monitoring of therapy response without invasive procedures.

A new RNA-based urine test for bladder cancer has reportedly outperformed standard diagnostic tests and may help guide treatment decisions. The test detects molecular markers in urine, offering a non-invasive alternative to invasive procedures. Commenters shared the news enthusiastically, with some joking about the simplicity of providing a sample. The development is being welcomed as a potential step forward in earlier detection and personalized care.

Researchers are pointing to urolithin A, a compound the body produces from foods such as pomegranates, walnuts and berries, as a possible route to a new heart failure treatment. The findings, reported by Good News Network, suggest the molecule may help heart muscle cells clear damaged mitochondria, supporting energy production in a failing heart.

Photographers are sharing atmospheric images of Copenhagen's harbor at dusk, capturing the waterfront's mix of urban architecture, water and evening light. One picture tagged with street photography and fine art labels shows the harbor in evening atmosphere, drawing attention and engagement from viewers. The images highlight the Danish capital's appeal as a subject for night and cityscape photography.

A short-form cartoon featuring a comedic brinjal character playing a doctor is drawing large audiences as part of a wave of animated vegetable entertainment clips. The sketch, labelled Doctor Brinjal's Comedy, shows the vegetable giving a patient a funny treatment, and has attracted millions of engagements as viewers share the lighthearted animation widely.

Photographers are sharing atmospheric images of Scotland's landscapes, highlighting the country's distinctive weather and natural light. A recent post tagged with Scotland, landscape, weather and mood themes has drawn attention, reflecting ongoing appreciation for the dramatic skies and shifting conditions that make the Scottish countryside a favourite subject for outdoor photography.

The Mercedes-AMG PETRONAS Formula 1 team is highlighting an enormous turnout at its fan forum, describing the atmosphere as unbelievable. The team shared the reaction with its followers, celebrating the energy and enthusiasm of supporters at the event. Formula 1 fans are responding enthusiastically as the team engages directly with its audience during the season.

New reporting indicates that patients with ocular myasthenia gravis saw improvement in disease scores after receiving subcutaneous treatment, a delivery method injected under the skin. The findings suggest an alternative for patients managing the eye muscle weakness characteristic of the condition. Clinicians are weighing what the results could mean for treatment choices, though detailed trial data and regulatory implications remain limited in the available reporting.

The Milwaukee Brewers took Game 2 of their playoff series thanks to a clutch late-inning effort, with fans dubbing the duo 'Batman and Robin' after one drove in the other for the winning run. The Brewers' improbable run is drawing comparisons to a fairy tale, as their underdog surge keeps defying expectations deep into October.

Pristyn Care is promoting its network of super specialty hospitals, highlighting expert doctors, modern technology, and cashless treatment options for patients. The campaign is drawing significant attention, with over 1.3 million engagements. Pristyn Care, an Indian healthcare company known for simplified surgical care, is expanding its brand presence across digital platforms.

Scientists have described a new species of freshwater crab from Sierra Leone, named Afrithelphusa outamba, in a paper published in the European Journal of Taxonomy. The formal species treatment and publication details have been made openly available online, and the find is being shared in taxonomy and biodiversity circles as a notable addition to West Africa's freshwater fauna.

Scientists have described a new beetle species, Micraspis filapicis, from China, published in the journal Zootaxa. The finding is being shared among open-science and biodiversity communities, with the species' taxonomic treatment made freely accessible through Plazi and linked FAIR data resources. It is the latest in a steady stream of newly catalogued insect species announcements.

Botanists have described Primula exserta, a newly identified species in the Primulaceae family from China, published in the open-access journal PhytoKeys. The species description is available through Plazi's treatment service, making the taxonomic data openly accessible. The announcement is drawing attention from the biodiversity and taxonomy community, which has welcomed another addition to China's rich primula flora.