binder

Building a house on Mars with concrete made from astronaut blood and sweat
Proteins from astronaut blood can combine with urine, sweat and tears to form a glue-like binder to make AstroCrete concrete on the Moon and Mars.
Discovered 8,000-year-old ancient gum
New Zealand anthropologists have uncovered evidence that ancient people used one type
New research: using spider silk will help treat fractures effectively
$New research: using spider silk will help treat fractures effectively$
University biologists. Connecticut, USA has successfully developed a new method, using proteins from spider silk to make biodegradable binders.