DNA (Deoxyribonucleic Acid) has a double helix structure,
which consists of two long strands of nucleotides twisted around each other.
This structure was discovered by James Watson and Francis Crick in 1953.
According to the "Out of Africa" theory, modern humans originated in East Africa around 200,000 years ago and migrated globally 60,000-80,000 years ago, replacing other hominins.
Alcoholic drinks were banned in the fourth year of the Hijra, when Bani Nadeer Jews were driven into exile from their lands.