The Purcell Prusik Double Strand is an essential adjustable loop knot for alpine fall protection and rope rescue systems. This guide explains proper tying techniques, load management, and safety ...

The Double Loop Alpine Butterfly is a versatile knot used in climbing, arborist work, and rope rescue. This guide ...

This study investigates the folding and unfolding behavior of the doubly knotted protein TrmD-Tm1570, providing insight into the molecular mechanisms underlying protein knotting. The findings reveal ...