Want natural food dye? Amaranth delivers, according to study

Artificial food dyes have been linked to multiple health concerns, including hyperactivity in children, allergies, and certain cancers. The science isn't settled and the Food and Drug Administration says color additives are ...

Study examines what microorganisms on Mars would need to survive

No life has yet been found on Mars, but it is exciting to explore the circumstances under which it might be possible. A team led by the Technical University of Berlin (TU Berlin) with the Leibniz Institute of Freshwater Ecology ...

Water wars: Causes and possible solutions

Will today's wars over oil be over water in the future? For years this question has been at the heart of a scientific debate on the causes of these wars and how they should be studied.

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