Rob Griffin and his family were stunned recently when their chicken laid a massive egg more than three times the normal size. Griffin, 38, who lives in England with his three daughters ...

These days it's not the size of the chicken but the size of the chicken's egg that counts. Rob Griffin and his family were stunned recently when their chicken laid a massive egg more than three ...

Bipolar disorder is a severe mental illness characterised by episodes of mania (high energy, impulsivity) and depression ...

One difficulty is that bipolar is not a single disorder but a spectrum of conditions, rendering the one-size-fits-all approach inadequate—lithium is effective in only about 1 in 3 patients.

Many people wonder what the average penis size is. Penises are like any other body part and vary in shape and size. One study found that the average penis size is about 3.9 inches (9.9 centimeters ...

The peripheral drift illusion causes us to perceive motion in a still image. A new study shows that the mechanism of this illusion relies on changes in pupil size.

Bipolar disorder may cause big shifts in your sexuality. One moment you may be hypersexual, and the next, hyposexual. But you can maintain a balanced sex life with bipolar disorder. People who ...