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Epigenetics linked to high-altitude adaptation in Andes

DNA sequencing technology makes it possible to explore the genome to learn how humans adapted to live in a wide range of environments. Research has shown, for instance, that Tibetans living at high altitude in the Himalayas have a unique variant of a gene that expands the

HK fire disaster a tragedy on many levels

Since the fire broke out at Wang Fuk Court in Tai Po on November 26, Hong Kong has been shaken by what is considered one of the most serious fire disasters in decades. As of December 2, it has resulted in 156 deaths, including a firefighter, and 30 people are still missing. All