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Science News for October 23, 2022


Dig in: Sand serves up a possible cure for obesity

Researchers from University of South Australia found that porous silica can prevent fats and carbohydrates from being adsorbed in the body. Engineered particles of purified sand are designed to soak up digestive enzymes, fats, and sugars within the gastrointestinal tract.

SourceUniversity of South Australia·JournalPharmaceutics·TypeExperimental study·DateOct 23, 2022

Metalens offers superior off-axis focus

A team at KAUST has created an ultrathin dielectric metalens that improves focusing capabilities and can be scaled down for integration with photonics equipment. The metalens, designed from a custom array of TiO2 nanopillars atop a DBR, offers negligible intrinsic loss and easy fabrication.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalOptica·DateOct 23, 2022
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Poor professional development may explain failure of push to promote physical health in schools

A study by University of Cambridge researchers found that ineffective teacher training is the likely cause of failures in promoting children's physical health in schools. The review of 51 randomised control trials suggests that key ingredients like clear goals, regular feedback, and resources are often missing from teacher training.

SourceUniversity of Cambridge·JournalInternational Journal of Behavioral Nutrition and Physical Activity·DateOct 23, 2022
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Government regulation and information presentation may determine palatability of the concept of gene-edited food

Researchers found that American participants had the most positive perception of gene-edited food, while German participants saw it as less beneficial and riskier. Japanese participants' perceptions were intermediate between Germans and Americans. The study suggests that public attitudes towards emerging science are influenced by regul...

SourceResearch Organization of Information and Systems·JournalScience Technology & Human Values·DateOct 23, 2022

Radiation therapy for high-risk, asymptomatic bone metastases may prevent pain and prolong life

A phase II trial suggests that radiation can reduce painful complications and hospitalizations, and possibly extend overall survival in patients with advanced cancers. The study found that treating asymptomatic lesions with radiation reduced skeletal-related events and extended overall survival compared to those who received no radiation.

SourceAmerican Society for Radiation Oncology·DateOct 23, 2022
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.