科学与环境

What is the Paris Agreement and why does 1.5C matter?

来源: feeds.bbci.co.uk · 发布于

What is the Paris Agreement and why does 1.5C matter?
来源: feeds.bbci.co.uk

The 2015 pact is at the heart of the international commitment to tackle rising global temperatures.

The 2015 pact is at the heart of the international commitment to tackle rising global temperatures.

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Scientists smash oxygen nuclei to recreate matter from the Big Bang
科学与环境

Scientists smash oxygen nuclei to recreate matter from the Big Bang

Scientists have recreated a primordial state of matter from the dawn of the universe by colliding oxygen nuclei at nearly the speed of light. The surprising results show that this exotic substance can form in smaller, lower-energy collisions than previously demonstrated, challeng

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