Latest Gene D. Block Stories
A new study of the brain's master circadian clock â€” known as the suprachiasmatic nucleus, or SCN â€” reveals that a key pattern of rhythmic neural activity begins to decline by middle age.
Word of the Day
- A handkerchief.
- In general, any miraculous portrait of Christ.
The word 'sudarium' comes from a Latin word meaning 'a handkerchief'.