Fist Bumps Are For Germophobes

Fist bumps are back in the news this week after the publication of a study finding that fist bumps transfer fewer bacteria than the more customary handshake.

-- Read more on ScientificAmerican.com

If you build it, they will come: designing microbial ecosystems in cheese

Microbes live in dense and diverse communities. There are billions of bacteria from thousands of species living together in your gut or in the soil.

-- Read more on ScientificAmerican.com

Four Great Scents from Outer Space

You don’t need your nose to know what something smells like. Perfumers and astronomers can detect and recreate scents based on the chemical signatures of the molecules in the air, even if that...

-- Read more on ScientificAmerican.com