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 ...

When money is tight, 'purchase happiness' is low

Whether they're getting a new shirt, a new computer, or taking a trip, people derive less "purchase happiness" from buying things when they feel financial stress, research from Duke University's Fuqua School of Business shows.

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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