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Phys.org / First field training officer may set use-of-force habits, study suggests

A field training officer is a special kind of cop. They have to be both patrol officer and mentor, as they teach recruits who are fresh out of the police academy how to put their lessons into practice. Much like mentors in ...

1 hour ago in Other Sciences
Tech Xplore / Bioinspired robot eye adjusts its pupil to handle harsh lighting

Robot vision could soon get a boost thanks to the development of a bioinspired eye that can automatically adjust its pupil size in response to changing light levels. Robots, self-driving cars and drones often struggle with ...

9 hours ago in Robotics
Phys.org / Left-handed people may have a psychological edge in competition

Left-handers are more competitive than right-handers, according to a new study published in the journal Scientific Reports. The findings may help explain why left-handedness has persisted throughout evolution despite the ...

13 hours ago in Biology
Phys.org / Study finds 77% of US national parks are highly vulnerable to climate change

National parks in the United States represent a treasure trove of natural, historical, and recreational landscapes, but their health is at risk. A comprehensive new study on the climate-change vulnerability of national parks, ...

10 hours ago in Earth
Phys.org / Prolonged drought linked to instability in key nitrogen-cycling microbes in Connecticut salt marsh

A prolonged drought in southeastern Connecticut reduced the stability of microorganisms responsible for a critical step in the nitrogen cycle in a coastal salt marsh, according to research led by a Connecticut College scientist ...

1 hour ago in Biology
Medical Xpress / Inclined sleeper-associated sudden unexpected infant deaths continued after recall

Sudden unexpected infant deaths (SUIDs) continued to occur in inclined sleepers even after manufacturer recalls in 2019, according to a study published online Feb. 23 in Pediatrics.

Phys.org / How an underground fungal map of the world's oldest, slowest-growing rainforest trees can boost Earth's resilience

The temperate rainforests of the Chilean Coast Range are home to a spectacular array of life: iridescent blue lizards, tiny wild cats called kodkods, and curly vines of waxy red bellflowers. Towering over this biodiversity ...

7 hours ago in Biology
Phys.org / Brazilian fossil site yields smallest rhynchosaur fossil ever recorded

A study published in the Journal of Systematic Palaeontology describes the smallest rhynchosaur fossil ever recorded from the Brazilian Triassic, with the reconstructed skull only measuring around 2.5 cm (~1 inch). Additionally, ...

14 hours ago in Biology
Phys.org / Hidden atomic dichotomy drives superconductivity in ultra-thin compound

Physicists in China have unveiled new clues to the origins of high-temperature superconductivity in an iron-based material just a single unit-cell thick. Led by Qi-Kun Xue and Lili Wang at Tsinghua University, the team's ...

15 hours ago in Physics
Phys.org / BaSi₂-supported nickel catalyst boosts low-temperature hydrogen production

A new catalyst strategy developed at Institute of Science Tokyo uses BaSi2 as a support for nickel and cobalt to decompose ammonia at lower temperatures. By forming unique ternary transition metal–nitrogen–barium intermediates ...

7 hours ago in Chemistry
Medical Xpress / Deciding for others can lower confidence in one's own judgments

From the moment we wake to the time we hit the bed at night, we make numerous decisions, some big but mostly small. Although decision-making is a fundamental part of human life, researchers have found that the level of difficulty ...

13 hours ago in Psychology & Psychiatry
Phys.org / Chemically 'stapled' peptides used to target difficult-to-treat cancers

Researchers at the University of Bath have developed a new technology that uses bacteria to build, chemically stabilize, and test millions of potential drug molecules inside living cells, making it much quicker and easier ...

7 hours ago in Chemistry