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Science News for March 15, 2025


Cleveland Museum of Natural History researchers propose new hypothesis for the origin of stone tools

Researchers at Cleveland Museum of Natural History propose that early humans used naturally sharp rocks as cutting tools before developing their own stone technology. This new hypothesis challenges current understanding of the origin of stone knapping, suggesting a more extensive use of natural resources than previously thought.

SourceCleveland Museum of Natural History·JournalArchaeometry·TypeSurvey·DateMar 15, 2025

Metagenomic analysis of tick-borne viruses in Hulunbuir, Inner Mongolia, China: Epidemiological risk of potential novel pathogenic viruses relevant to public health

A recent study identified 26 viral species from ticks in Hulunbuir, including four novel viruses and 11 new strains of human-pathogenic viruses. The study highlights the potential spillover risk of these viruses and underscores the need for One Health strategies to monitor emerging tick-borne viruses.

SourceCompuscript Ltd·DateMar 15, 2025
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Cambridge research uncovers powerful virtual reality treatment for speech anxiety

The platform has been clinically proven to significantly increase levels of confidence for most users after a single 30-minute session. A week of self-guided use was beneficial to 100% of participants, helping them feel more prepared, adaptable, resilient, confident, and able to manage nerves.

SourceLucy Cavendish College, University of Cambridge·JournalFrontiers·TypeExperimental study·DateMar 15, 2025

New strategies to enhance chiral optical signals unveiled

Researchers have developed new methods to boost chiral optical signals, including tailoring optical fields, photonic resonance, orbital angular momentum beams, metasurfaces with bound states in the continuum, and nonlinear optics. These strategies offer promising avenues for further research in chiral optics and its applications.

SourceHigher Education Press·JournalEngineering·DateMar 15, 2025

International survey finds that support for climate interventions is tied to being hopeful and worried about climate change

A global survey of over 30,000 people found that those from the Global South are more hopeful about climate change, leading to increased support for climate interventions. Meanwhile, European countries express strong anger and sadness towards climate change, highlighting the need for diverse perspectives in addressing the crisis.

SourceSociety for Risk Analysis·JournalRisk Analysis·TypeSurvey·DateMar 15, 2025
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.