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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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In 1864, the first barbiturate (barbituric acid) was synthesized.

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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

The Border Collie is considered to be one of the most intelligent breeds. The Border Collie is considered to be one of the most intelligent breeds.
Geoffroy's tamarin has been considered a subspecies of the similar cottontop tamarin, shown abo Geoffroy's tamarin has been considered a subspecies of the similar cottontop tamarin, shown abo
The Influence of the September 11, 2001 Terrorist Attacks on Dream Content The Influence of the September 11, 2001 Terrorist Attacks on Dream Content
Cortical EEG recorded during epileptic attacks. Notice that each trace is characterized by epileptic ... Cortical EEG recorded during epileptic attacks. Notice that each trace is characterized by epileptic ...
Terrorism, Intelligence, and Homeland Security Terrorism, Intelligence, and Homeland Security
Anthrax bacteria (Bacillus anthracis) Anthrax bacteria (Bacillus anthracis)
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

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