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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.
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Your heart beats over 36 million times a year.
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Thyroid conditions may make getting pregnant impossible.
![Where mangrove diversity is high, mangrove species show clear patterns of vertical zonation relative](https://biology-forums.com/gallery/47/medium_33_28_08_11_12_17_16_16021832.jpeg)
![People have seen patterns in the stars since ancient times.[5] This 1690 depiction of the constellat](https://biology-forums.com/gallery/47/medium_12359_26_01_13_3_44_40.png)