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Two years of covid-19: How the pandemic has unfolded so far, what we’ve learned, and the questions that remain

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It’s now been two years since Chinese authorities first informed the World Health Organization about an unknown virus in Wuhan. How has our understanding of the virus changed since then and where does that leave us? Health 31 December 2021 By Helen Thomson A new hospital was rapidly built in Wuhan, China, in early 2020 … Read more

Even Drastic CO2 Cuts Won’t Bring Back The Climate We’ve Lost

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We’re so far down the road of climate change, that even making drastic cuts to atmospheric carbon dioxide levels won’t be enough for the world’s weather systems to fall back into their previous patterns, according to a new study.   But the research also suggests we still can have a huge impact on how severe … Read more

Biggest science news of 2021: Igenuity helicopter flies on Mars, the first time we’ve conducted powered flight on another planet

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In April, the Ingenuity helicopter became the first vehicle ever to attempt powered flight on another planet. Theodore Tzanetos tells New Scientist of the exhilaration he felt leading the team Technology 15 December 2021 By New Scientist The Ingenuity helicopter NASA/JPL-Caltech OF ALL the craft that visited the Red Planet this year, perhaps the biggest … Read more

We’ve seen our galaxy’s huge black hole more clearly than ever before

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Astronomers have observed Sagittarius A* – the supermassive black hole at the centre of our galaxy – closer than ever before, and Albert Einstein’s general theory of relativity still holds up Space 14 December 2021 By Leah Crane Stars orbiting very close to Sagittarius A* (centre), the supermassive black hole at the heart of the … Read more