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23 Aug 2024

Men infected with high-risk types of HPV could struggle with fertility

Researchers from Argentina compared semen quality between men infected with high-risk (HR-HPV) and low-risk (LR-HPV) genotypes of human papillomavirus and HPV negative men. They showed that HR-HPV positive men had higher percentages of dead sperm, a higher level of reactive oxygen species, and a lower count of white blood cells in their semen. These results suggest that HR-HPV positive men, but not LR-HPV positive men, may have lower fertility due to oxidative damage to sperm.

Featured news

08 Aug 2024

Microbes conquer the next extreme environment: your microwave

Researchers have measured the diversity of microbes inside microwaves for the first time. They showed that microwaves harbor a specialized community of locally adapted microbial genera, which resembles that reported on kitchen surfaces and in another extreme, highly irradiated habitat: on solar panels. This finding has potential biotechnological applications, in processes that require microbes resistant to thermal shock, radiation, and desiccation.

Featured news

02 Aug 2024

'Screaming Woman' mummy may have died in agony 3,500 years ago

Researchers from Egypt used state-of-the-art techniques to ‘virtually dissect’ a female mummy from the New Kingdom, named the ‘Screaming Woman’ for her remarkable expression. They showed that she had been embalmed with costly imported frankincense and juniper. There was no obvious cause of death, but the mummy’s wide open mouth may be due to cadaveric spasm, which is typically associated with dying in considerable pain and under strong emotions.

Health

26 Jul 2024

Conflicting health advice from agencies drives confusion, study finds, but doctors remain most trusted

Researchers from the US analyzed replies to the Health Information National Trends Survey and found that doctors are more trusted than scientists and especially government health agencies. The results revealed that perceived uncertainty in health recommendations, inherent in the scientific process, tends to confuse the public and undermine its trust in experts apart from doctors. This implies that doctors are best placed to communicate changes in recommendations, to ensure better health and restore trust in agencies.