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Adrenaline is considered crucial in triggering a 'fight or flight' response, but new research shows the response can't get started without a hormone made in bone.

An inexpensive thermoelectric device harnesses the cold of space without active heat input, generating electricity that powers an LED at night, researchers report.

Researchers have replicated one of the most well-known electromagnetic effects in physics, the Hall Effect, using radio waves (photons) instead of electric current (electrons). Their technique could be used to create advanced communication systems that boost signal transmission in one direction while simultaneously absorbing signals going in the opposite direction.

For the first time, researchers have used ultra-thin layers of 2D structures known as metasurfaces to create holograms that can measure the polarization of light. The new metasurface holograms could be used to create very fast and compact devices for polarization measurements, which are used in spectroscopy, sensing and communications applications.

Cancer patients who miss an urgent referral appointment for their symptoms are 12% more likely to die within 12 months of diagnosis, a major new study has found. The authors of the study say that more support is needed for patients at risk of non-attendance.

Microorganisms growing inside aging buildings and infrastructure are more than just a health issue, according to new research. The research examined the impact of fungal mold growth and associated microbes within structures on a university campus. The study focuses on the observed biodeteriorative capabilities of indoor fungi upon gypsum board material (drywall) and how it affects a building's age and room functionality.

A recent study revealed that regular tea drinkers have better organized brain regions compared to non-tea drinkers.

Routine sparring in boxing can cause short-term impairments in brain-to-muscle communication and decreased memory performance, according to new research.

Researchers have successfully solved a longstanding problem in the diagnosis of head and neck cancers. The researchers used artificial intelligence to develop a new classification method which identifies the primary origins of cancerous tissue based on chemical DNA changes. The potential for introduction into routine medical practice is currently being tested.

Contrary to conventional wisdom, sulphur production by tiny marine algae decreased during glacial periods, and is more closely linked to climate than previously thought, according to latest research. A clearer understanding of the link between the climate and marine phytoplankton can help scientists incorporate these impacts in future climate models.