A fourth-grade survivor of last month’s Uvalde school shooting has told a hearing how she dabbed blood on herself and pretended to be dead after the gunman murdered her teacher and friends. Miah Cerrillo and the parents of multiple young Americans killed and wounded in recent mass shootings has testified at the US House Oversight
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According to a study, devices made of commonly available oxide and carbon-based materials can manufacture pure hydrogen from water for weeks. The discovery could aid in overcoming one of the major challenges in solar fuel production: present earth-abundant light-absorbing materials are limited in terms of performance or stability. The move to full decarbonisation and the
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A supercomputer in the US has taken the throne of being the fastest in the world. The US Department of Energy’s Frontier supercomputer at Oak Ridge National Laboratory was declared to be the most powerful supercomputer officially recorded, keeping a promise made by former President Barack Obama about seven years ago. This has moved the
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