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Frontiers


Most known species evolved during 'explosions’ of diversity, shows first analysis across ‘tree of life’

The majority of extant species belong to a limited number of rapid radiations, forming groups with many species that evolved in a relatively short period. These rapid radiations are thought to occur when new ecological niches open up, such as the emergence of multicellularity and powered flight.

SourceFrontiers·JournalFrontiers in Ecology and Evolution·TypeData/statistical analysis·DateAug 20, 2025

AI could soon detect early voice box cancer from the sound of your voice

Researchers have developed an AI system that can recognize the early warning stages of laryngeal cancer from voice recordings. By analyzing variations in tone, pitch, and volume, the AI can distinguish between voices with benign vocal fold lesions and those with cancer. The study's findings offer a promising breakthrough for non-invasi...

SourceFrontiers·JournalFrontiers in Digital Health·TypeExperimental study·DateAug 12, 2025

4,000-year-old teeth record the earliest traces of people chewing psychoactive betel nuts

Researchers discovered traces of betel nut compounds in dental calculus from a 4,000-year-old burial site in Thailand, shedding light on the ancient practice. The study used new methods to analyze ancient teeth and found evidence of psychoactive plant use that was previously invisible to archaeologists.

SourceFrontiers·JournalFrontiers in Environmental Archaeology·TypeExperimental study·DateJul 31, 2025

Persistently, intensely grieving relations are nearly twice as likely to die within 10 years after losing a loved one

A large-scale study published in Frontiers in Public Health found that individuals experiencing persistent and intense grief are nearly twice as likely to die within 10 years after losing a loved one. The study followed a cohort of 1,735 bereaved individuals and found that those with high grief symptom levels had significantly higher r...

SourceFrontiers·JournalFrontiers in Public Health·TypeObservational study·DateJul 25, 2025

Some people could sound angrier when complaining, new study finds

Researchers found that speakers from different cultures convey emotions differently when complaining. Complainers use specific vocal expressions to convey negativity, with Québécois sounding more angry and French speakers sounding sadder. The study highlights the importance of tone of voice in social interactions and may have implicati...

SourceFrontiers·JournalFrontiers in Communication·TypeExperimental study·DateJul 22, 2025

Specialty of the house: Neanderthals at two nearby caves butchered the same prey in different ways, suggesting local food traditions

Scientists think Neanderthals passed down different food preparation practices to neighboring groups, resulting in distinct butchery strategies. The differences in cut-mark patterns between Amud and Kebara caves may reflect unique cultural traditions of animal carcass processing.

SourceFrontiers·JournalFrontiers in Environmental Archaeology·TypeObservational study·DateJul 17, 2025

Mental health from supermarket shelves? This is the evidence we have about over-the-counter herbal products and dietary supplements used for depression

A review of 64 over-the-counter products found that omega-3s, St John's Wort, probiotics, and vitamin D have substantial evidence for treating depression. Other promising products include folic acid, lavender, zinc, tryptophan, and lemon balm. However, more research is needed to confirm their effectiveness and safety.

SourceFrontiers·JournalFrontiers in Pharmacology·TypeLiterature review·DateJul 15, 2025

‘Molecular shield’ placed in the nose may soon treat common hay fever trigger

Researchers have engineered a monoclonal antibody that blocks allergic reactions against common pollen when applied inside the nose of mice, providing new hope for hay fever sufferers. The treatment, known as a 'molecular shield,' acts immediately and locally at the lining of the nose to prevent IgE antibodies from being activated.

SourceFrontiers·JournalFrontiers in Immunology·TypeExperimental study·DateJul 11, 2025

Cheese may really be giving you nightmares, scientists find

A study of over 1,000 students found a strong association between lactose intolerance and nightmares, suggesting that changing eating habits could alleviate poor sleep. The researchers also discovered that people with food sensitivities were more likely to report negative dreams and poor sleep quality.

SourceFrontiers·JournalFrontiers in Psychology·TypeObservational study·DateJul 1, 2025

New gene therapy delivery device could let hospitals create personalized nanomedicines on-demand

A new gene therapy delivery device called NANOSPRESSO could revolutionize how hospitals treat rare diseases by allowing them to create personalized nanomedicines in-house. This democratized approach to precision medicine could boost access to low-cost bespoke gene and RNA therapies, especially in low-resource settings.

SourceFrontiers·JournalFrontiers in Science·TypeSystematic review·DateJun 26, 2025

An Alaskan volcano could help scientists understand why ‘stealthy’ volcanoes erupt without warning

Researchers developed a model to explain and predict stealthy eruptions at Veniaminof, Alaska, by identifying key internal conditions such as low magma supply and warm host rock. The study suggests that volcanoes with small, warm reservoirs and slow magma flows are most likely to produce surprise eruptions.

SourceFrontiers·JournalFrontiers in Earth Science·TypeComputational simulation/modeling·DateJun 10, 2025

Protected Antarctic oceanic life threatened by ships anchoring, first underwater videos show

A recent study has gathered the first video evidence of anchoring and chain damage in Antarctic waters, highlighting a critically understudied conservation issue. The research found that anchor impacts can cause localized destruction to seafloor habitats, leading to the loss of slow-growing, sessile species.

SourceFrontiers·JournalFrontiers in Conservation Science·TypeObservational study·DateJun 9, 2025

Global warming could be driving up women’s cancer risk

A study found that rising temperatures in the Middle East and North Africa are associated with higher rates of these cancers. The prevalence of the different cancers rose by 173 to 280 cases per 100,000 people for every additional degree Celsius.

SourceFrontiers·JournalFrontiers in Public Health·TypeObservational study·DateMay 27, 2025

‘Every single species is a unique product of evolution, like a work of art’: how Dr Kit Prendergast champions bees and biodiversity

Native bee species play diverse roles in Australian ecosystems, from pollination services to hosting parasitoids and parasites. Dr. Prendergast's research emphasizes the importance of conserving these unique species and provides guidance on how individuals can support their protection.

SourceFrontiers·JournalFrontiers in Bee Science·TypeExperimental study·DateMay 19, 2025

Seeing well-designed gardens could relax us almost immediately because we look at them differently

A team of researchers investigated the impact of Kyoto's Murin-an garden on viewers' relaxation. They found a correlation between rapid gaze shifts and reduced stress levels. The design features of the well-crafted Japanese garden led to frequent, rapid horizontal shifts in gaze, which induced a calming effect.

SourceFrontiers·JournalFrontiers in Neuroscience·TypeExperimental study·DateMay 15, 2025