Australian researchers have developed special contact lenses, known as Ortho K or OK, that can fix long-sightedness. These lenses gently reshape the cornea while worn at night, resulting in a marked improvement in vision. The discovery...

Ooh, french fries! No wait, not those fries. It's actually pronounced like "frees", and it's a super cool rearrangement pertaining to aryl esters. Let's check out the mechanism, the regiochemistry, and some applications.

You gotta know your EAS reactions for this one! Make sure you do them in the right order, too.

We know about the products of these reactions, but how fast do they go? Give these a shot.

Practice REAL problems from actual past IIT/JEE exams with Professor Dave!

EAS, not once, not twice, but thrice! Draw all the molecules, please. Don't forget about ortho/meta/para!

An introduction to nucleophilic aromatic substitution.