Science News for July 4, 2026

Sunlight supercharges soil superfoods: Boosting fertility and microbes with aged hydrochar

Researchers used solar radiation to enhance hydrochar, a carbon-rich material derived from biomass, to create a more effective soil amendment. The study found that aged hydrochars delivered impressive results, increasing soil organic carbon content by up to 110% and enhancing beneficial microbial taxa.

SourceBiochar Editorial Office, Shenyang Agricultural University·JournalCarbon Research·TypeExperimental study·DateJul 4, 2026

This Fourth of July, a new study in Psychedelic Medicine suggests the holiday's meaning may shape more than just the mood

A longitudinal study of 21,990 US adults found participants' most intense psychedelic experience on the Fourth of July reported decreased support for partisan violence. In contrast, experiences coinciding with national party conventions or Election Day led to increased support.

SourceSAGE·JournalPsychedelic Medicine·TypeObservational study·DateJul 4, 2026

SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

European survey reveals broad support for fertility care, embryo research and genome editing, alongside opportunities for greater public engagement

A new Europe-wide survey found broad public support for fertility treatment and reproductive research in the UK, Netherlands, Spain, and Italy. The study suggests that public understanding and opinion on these topics continue to develop, with areas where public views are not yet settled identified.

SourceEuropean Society of Human Reproduction and Embryology·DateJul 4, 2026

KAIST identifies the “hidden energy cost” of AI agents for the first time

A KAIST research team analyzed the computational cost and energy consumption of AI agents, finding they consume up to 136.5 times more energy per query than conventional generative AI. This study highlights the importance of optimizing AI semiconductors, data centers, and power infrastructure for sustainable AI development.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·DateJul 4, 2026