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 ...

New heat map charts unequal civic opportunity in the US

People in many parts of the United States possess few chances for the robust community engagement that underpins healthy democracies, according to a new report that for the first time maps civic opportunity across the country.

Exploring molecular boundaries in DNA

It's important to be well organized. And this is especially true for the genome—the entirety of an organism's genetic information, also known as DNA. The genomic DNA is several meters long but has to fit inside the cell's ...

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