In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Did you know?
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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?
The horizontal fraction bar was introduced by the Arabs.
Energy flow and chemical recycling in ecosystems.
Activation energy of uncatalyzed and catalyzed chemical reactions
Amount of Energy Released by Earthquakes of Different Magnitudes