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Space and astronomy
A UCLA study found that people with prolonged residential exposure to the pesticide chlorpyrifos had more than 2.5 times the risk of developing Parkinson’s disease. Experiments in mice and zebrafish suggested that the chemical damages dopamine-producing neurons by disrupting the cells’ internal cleanup system.
Space and astronomy
Researchers have created a spiral-shaped molecular motor that rotates when electricity passes through it and reverses direction when the voltage polarity changes. Simulations show that its rotation can increase electrical conductivity by up to 100 times.
Space and astronomy
New research from the University of Sydney suggests that crown-of-thorns starfish can support coral diversity when their populations remain at manageable levels. Nearly 75% of observed feeding events left living coral tissue behind, while the removal of dominant fast-growing corals created opportunities for slower-growing species.
Space and astronomy
A study of 485,934 adults in China found that regular tea consumption was associated with an 11% lower risk of combined vascular diseases. The lowest estimated risk was seen among weekly tea drinkers consuming about six to eight cups daily, while black tea showed more consistent associations than green tea. Drinking tea described as “burning hot,” however, was linked to increased risk.