Technology
How to Make Tools on Mars, Using Dust
You can't carry everything you need from Earth, so researchers made 3-D–printed shapes with mocked-up Mars dust
Stories by James Urquhart
Chemistry
"Plastic Antibodies" in Deodorant Attack Your Smelly Molecules
Imprinted polymers capture chemicals in sweat that cause body odor
Chemistry
Antibacterial Soap Has Poor Killing Power
It does no better than plain soap against 20 strains of bacteria
Chemistry
Blow On Money to Tell If It Is Counterfeit
New crystal ink, hard for fraudsters to make, shows intricate patterns when you breathe on it
Chemistry
Recycled Biofuel By-products Could Make Biofuels Even Greener
Chemicals derived from plants can break down other plants into fuel
Evolution
Richard III Really Ate and Drank Like a King
An analysis of a skeleton dug up two years ago and shown to belong to Richard III reveals that fresh fish, game birds and wine were staples of his diet
Chemistry
Silver Nanoparticles in Clothing Pose No New Risk
Older antibacterial coatings, when laundered, released just as many nanoparticles into the environment
