Your hair knows what you eat and how much your haircut costs

Millimeter by millimeter, your hair is building a record of your diet. As hair strands are built from amino acids that come from your food, they preserve the chemical traces of the protein in that food. It's a strong enough ...

Titan's building blocks might pre-date Saturn

(Phys.org) —A combined NASA and European Space Agency (ESA)-funded study has found firm evidence that nitrogen in the atmosphere of Saturn's moon Titan originated in conditions similar to the cold birthplace of the most ...

Searching for the solar system's chemical recipe

(Phys.org)—By studying the origins of different isotope ratios among the elements that make up today's smorgasbord of planets, moons, comets, asteroids, and interplanetary ice and dust, Mark Thiemens and his colleagues ...

Extraterrestrial platinum was 'stirred' into the Earth

(PhysOrg.com) -- A research program aimed at using platinum as an exploration guide for nickel has for the first time been able to put a time scale on the planet’s large-scale convection processes.

Scientists solve 'enigma' of pygmy right whales' feeding habits

Researchers have shown from stable isotope ratios in the baleen of pygmy right whales that this species of baleen whales remains in waters off southern Australia year-round and feeds on Australian krill and copepods. Unlike ...

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