Science News for July 6, 2024

First study to measure toxic metals in tampons shows arsenic and lead, among other contaminants

A study by Columbia University's Mailman School of Public Health found that tampons from several brands can contain toxic metals like lead, arsenic, and cadmium. The research evaluated levels of 16 metals in 30 tampons from 14 different brands, revealing that metals were present in all types of tampons, regardless of organic or non-org...

SourceColumbia University's Mailman School of Public Health·JournalEnvironment International·DateJul 6, 2024

Phage‐displayed heptapeptide sequence conjugation significantly improves the specific targeting ability of antimicrobial peptides against Staphylococcus aureus

Researchers developed a phage-displayed heptapeptide sequence that significantly improves the specific targeting ability of antimicrobial peptides against Staphylococcus aureus. The designed peptide showed higher specific antimicrobial activity against S. aureus compared to Temporin-SHf.

SourceTsinghua University Press·JournalmLife·DateJul 6, 2024

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Efficient water quality management could reduce future water scarcity by half

A new study suggests that implementing effective water quality management measures could halve future water scarcity in the Pearl River Basin. The research highlights the importance of addressing water pollution and other environmental factors to mitigate water scarcity and support sustainable development.

SourceInternational Institute for Applied Systems Analysis·JournalNature Communications·DateJul 6, 2024

A cholangiocyte organoid system for Cryptosporidium parvum cultivation and transcriptomic studies of biliary cryptosporidiosis

A new culture system was established to cultivate Cryptosporidium parvum from mouse and bovine cholangiocyte organoids. The system allows the complete development of C. parvum in vitro, producing infectious oocysts.

SourceTsinghua University Press·JournalhLife·DateJul 6, 2024

Novel design for highly sensitive, fast high-energy photon detector

Researchers have developed a novel pyroelectric photoconductive diode (PPD) for highly sensitive and fast high-energy photon detection. The PPD exhibits high responsivities to deep ultraviolet (DUV) and X-ray, with enhanced detection performance compared to traditional photodiodes.

SourceUniversity of Science and Technology of China·JournalAdvanced Materials·DateJul 6, 2024

Low-cost depth imaging sensors achieve 97% accuracy in rapid plant disease detection

The study uses low-cost depth imaging sensors to detect plant disease with 97% accuracy, outperforming human annotation. The method is robust across various environments and plant densities, making it a cost-efficient solution for plant pathology diagnostics.

SourceNanjing Agricultural University The Academy of Science·JournalPlant Phenomics·TypeExperimental study·DateJul 6, 2024