Metaphysics is a popular field of science, which explores concepts such as healing, death and the afterlife, the spirit world, tarot, meditation, astrology and the supernatural.

玄学是一个流行的科学领域，它所探索的概念有：康复、死亡和来世、精神世界、塔罗纸牌（算命用）、沉思默想、占星术和其他不可思议的现象等。

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Art is the tree of life. Science is the tree of death.

艺术是生命之树，科学是死亡之树。

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In the car is the boys' science teacher, injured and near death.

车上坐着的是男孩儿们的科学老师，他身负重伤，奄奄一息。

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Detective Superintendent Simon Clarke, who is heading the new investigation into the 38-year-old mother-of-four's death said he was confident advances in science, together with fresh witness statements, would help to finally solve the crime.

BBC: NEWS | UK | Wales | South West Wales | Family's hopes over new inquiry

Martin had entered what technology transfer officers refer to as the valley of death, the barren gulf between the basic science and a prototype good enough to pique the interest of an established company or a venture capital firm.

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Around 1910, medical science began to get a handle on death in childbirth, and the sex ratio began falling.

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