Blood Bricks

Look: Future colonies on Mars could be built with human blood

When combined with other materials, it makes surprisingly strong bricks.

Futuristic City in Protective Sphere on the Surface of the Planet Mars
Mark Stevenson/Collection Mix: Subjects/Getty Images


For all the glitzy depictions of future Mars civilizations, there’s one glaring problem:

How do we even begin to build a city on Mars?


Transporting a single brick from Earth to Mars is estimated to cost as much as 2 million dollars.

Imagine what it’d cost to build a research station — or just a modest space to sleep.