Despite the fact that it is believed to make up around eighty per cent of the matter in the universe, so-called "dark matter" remains an enigma to scientists. It is totally invisible as it neither absorbs or emits light, and its presence has so far been determined only via its gravitational interaction with visible matter.
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Like it or not, mathematics underpins our whole existence, either by conscious design or through natural selection. Our ancestors were very appreciative of the significance of mathematics, illustrated by the precise geometric alignments that have been observed in the construction and placements of ancient monuments on earth, such as Stonehenge and the pyramids, that align them with other monuments nearby, and also with astronomical events such as sunrise or sunset.
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After an amazing ten year journey, the Rosetta mission landed its module Philae on the surface of Comet 67P/Churyumov–Gerasimenko at 16:03 GMT on Wednesday.
Rosetta was launched on 2 March 2004 on an Ariane 5 rocket, and has already made history by becoming the first spacecraft to orbit a comet after it reached its long-awaited destination on August 6th 2014.
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Our inner emotions are very powerful, and it is becoming more widely accepted by science that they can have profound and measurable physiological effects.
Stress is known to have negative effects on the body, but what about more positive emotions, such as happiness, joy and awe?
Can feeling deeply moving sentiments change our bodies, our minds, maybe even our souls?
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