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DNA analysis of 6,500-year-old human remains with blue eye mutation

Scientists have discovered that waves of migration from Anatolia and the Zagros mountains to the Levant helped develop the Chalcolithic culture that existed in Israel's Upper Galilee region some 6,500 years ago. “Certain characteristics, such as genetic mutations contributing to blue eye color, were not seen in the DNA test results of earlier Levantine human remains,” according to one of the researchers.

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Toward fast-charging solid-state batteries

There are currently great hopes for solid-state batteries. They contain no liquid parts that could leak or catch fire. For this reason, they do not require cooling and are considered to be much safer, more reliable, and longer lasting than traditional lithium-ion batteries. Scientists have now introduced a new concept that allows currents up to ten times greater during charging and discharging than previously described in the literature.

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Can we have a fire in a highly vacuumed environment?

Researchers have discovered that non-flaming combustion (smoldering) of a porous specimen can sustain, even under nearly 1 percent of atmospheric pressure. The thermal structure of a 2-mm-diameter burning specimen at very near extinction condition was successfully measured using an embedded ultra-fine thermocouple, clarifying the key issues that lead to fire extinction at low pressures. The outcome of this research will contribute to improved space exploration fire safety strategies.

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