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Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
Did you know?
Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").