From DNA’s tightly packed chromatin to the precise on/off switches in regulatory sequences, scientists are uncovering how cells fine-tune gene expression. New research reveals surprising roles for ...

The Inca Empire managed vast territories without a written alphabet, relying instead on a mysterious system of knotted strings known as the khipu. Once dismissed as simple accounting tools, new ...

The telegraph without wire -- An extension of mouth : how the bàtá talks -- Other voices : the Omele Méta and the Ìyáàlù Dùndún -- Speaking in codes : Enà Bàtá -- Epilogue: Bàtá is the mouthpiece of ...