Here are some of the most interesting articles from ScienceBlog this week:
Paper could be used for cheap biomedical, diagnostic devices
Scientists develop high-effiiciency zinc-air batteries
CO2 sequestration technique produces "supergreen" hydrogen fuel
Water-rock reaction may provide enough hydrogen "food" to sustain life in ocean's crust or on Mars
The formula for turning cement into metal
Bacterium from Canadian High Arctic offers clues to life on Mars
Have a good weekend, and see you Monday!