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Author Question: Why does benzene undergo a substitution reaction with bromine, whereas cyclohexene undergoes an ... (Read 36 times) |
Asthma cases in Americans are about 75% higher today than they were in 1980.
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
The human body produces and destroys 15 million blood cells every second.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.