How to use vegetables as mood lighting

Pickle, the perfect condiment and accent light! Some cool physics explains how this humble side-dish also conducts electrons and generates light.

Meteorites reveal another way to make life's components

Some of the simplest building blocks of life, amino acids used to build proteins, can be made chemically in space with no living cells involved. Originally thought to only occur in low-temperature chemical reactions, scientists at NASA have shown that the same building blocks can be made under high temperature conditions.