Iowa mom Shari Lynn Hertel goes viral after her teen son pranks her with a question about the position 69, leaving her stunned.

Cognitive therapy identifies core beliefs. But how do you evaluate them? Plato offered a criterion sharper than "adaptive": ...

The next in our series of quick quizzes in dermatology asks – what's causing patches of hair loss in this male patient in his ...

Researchers have identified a particle that doesn’t obey time symmetry, meaning its behavior changes depending on whether time moves forward or backward. This breaks one of the most fundamental ...