Long before signs of bleaching appear, prolonged spells of warm water cause heat stress that disrupts the nutrient cycling of the coral and its symbiotic algae. [ + ]

Signals produced by nerves in response to stress can stop immune cells from moving, and thus from effectively fighting pathogens or tumours. [ + ]

The international award is aimed at encouraging the best and brightest thinkers in the world to focus on ways to improve the health of older people. [ + ]

Darobactin, a newly discovered antibiotic compound, kills many antibiotic-resistant pathogens by exploiting a tiny weak spot on their surface. [ + ]

An experimental new urine test for prostate cancer has the potential to revolutionise how patients with suspected prostate cancer are risk-assessed prior to an invasive biopsy. [ + ]

Researchers have reportedly recovered the nuclear DNA of several Neanderthal individuals from the sediment of two Siberian caves and the Galería de las Estatuas. [ + ]

The small molecule is known as a photo-oxygenation catalyst, and appears to treat Alzheimer's disease via a two-step process. [ + ]

An observational study in nearly 20,000 individuals has found that greater intake of red and processed meat is associated with worse heart function. [ + ]

Researchers have used platinum and aluminium compounds to create a catalyst which enables certain chemical reactions to occur more efficiently than ever before. [ + ]

Trajan Scientific and Medical has completed its acquisition of the MyHealthTest blood testing service for an undisclosed sum. [ + ]

The Victorian Government will provide $50m to establish mRNA vaccine and therapeutic manufacturing in Melbourne — the first such capability in the Southern Hemisphere. [ + ]

Increased sensitivity in a specific region of the brain contributes to the development of anxiety and depression in response to real-life stress. [ + ]

Working hours that deviate from an individual's natural body clock are associated with greater cardiovascular risk, with shift workers being particularly susceptible. [ + ]

Researchers have developed a wearable hologram sensor by integrating a metasurface with a gas-reactive liquid crystal optical modulator. [ + ]

The annual competition aims to recognise the best in life science imaging, with the winning images selected from nearly 700 submissions from 61 countries. [ + ]