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Sleep, death and … the gut?

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A new study finds a causal link between sleep deprivation and death. In sleep-deprived fruit flies, death is preceded by the accumulation of molecules known as reactive oxidative species in the gut. When fruit flies were given antioxidant compounds that neutralize ROS, sleep-deprived flies remained active and had normal lifespans. The findings may one day […]

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Discovery unlocks ‘hot’ electrons for more efficient energy use

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Highly energetic, “hot” electrons have the potential to help solar panels more efficiently harvest light energy. But up until now, scientists haven’t been able to measure the energies of those electrons, limiting their use. Researchers have now demonstrated how a technique using a scanning tunneling microscope integrated with lasers and other optical components reveals the […]