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immune system

belly fat

Health

Your body fat may be protecting you against infections

Fat isn’t all bad – it stores powerful immune cells, and seems to boost their ability to defend the body from dangerous infections

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The universe may be full of ex-moons flung from their home worlds

Space

The universe may be full of ex-moons flung from their home worlds

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Earth was smashed by a rock the size of Mars to make the moon

Space

Earth was smashed by a rock the size of Mars to make the moon

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Mars

Space

Mars rocks may have drunk up all the water and doomed life there

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Mercury probe

Space

2018 preview: Epic mission to Mercury will unravel its mysteries

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An underweight newborn baby

Health

The body’s killer immune cells also feed fetuses in the womb

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Planet X artwork

Space

Planet X: We are closing in on the solar system's new occupant

Features

That interstellar asteroid could be a shard of a shredded planet

Space

That interstellar asteroid could be a shard of a shredded planet

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art work of Neptune and Triton

Space

Neptune’s other moons were normal until Triton crashed the party

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Enceladus’s hot, gritty core may cook up ingredients for life

Space

Enceladus’s hot, gritty core may cook up ingredients for life

Saturn’s moon Enceladus seems to have a sandy core that warms water passing between the grains. This heating could help create conditions that are right for life

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Space

We now know more on the origins of weird duck-shaped comet 67P

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Space

Boiling water on Mars could make the planet's sand levitate

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Space

We may have just seen the first comet from another solar system

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Humans

Luther's legacy: Did a religious revolt create science?

Features

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