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immune system

Borisov

Space

Interstellar comet Borisov is the most pristine space object ever seen

The interstellar comet Borisov probably formed in the presence of giant planets, but it has never been disrupted by coming near another star, making it the most pristine object ever spotted

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Weird lava flows reveal the moon’s insides may be wetter than expected

Space

Weird lava flows reveal the moon’s insides may be wetter than expected

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meteorite

Space

4.6-billion-year-old meteorite is the oldest volcanic rock ever found

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Evidence for a hidden ‘Planet Nine’ beyond Neptune has weakened

Space

Evidence for a hidden ‘Planet Nine’ beyond Neptune has weakened

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How old is Earth?

Question

How old is Earth?

Earth’s early atmosphere may have been toxic like the one on Venus

Space

Earth’s early atmosphere may have been toxic like the one on Venus

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Minimoon

Space

Earth had a minimoon for nearly three years before it drifted away

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Evolution explains why social distancing due to covid-19 is so hard

Humans

Evolution explains why social distancing due to covid-19 is so hard

Features

How are sand dunes formed and why do they even exist?

Environment

How are sand dunes formed and why do they even exist?

Features

Flashes of light called ‘sprites’ and ‘elves’ seen on Jupiter

Space

Flashes of light called ‘sprites’ and ‘elves’ seen on Jupiter

Astronomers have spotted flashes of light called transient luminous events on Jupiter, the first time this phenomenon has been seen on a planet other than Earth

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Space

Weird ring-shaped molecule on Titan could be a building block to life

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Space

More doubts cast on potential signs of life on Venus

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Health

Fat stores in our cells also hold immune proteins to fight infections

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Health

It is bad science to say covid-19 infections will create herd immunity

Comment

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