Duke University

Getting to the root of enamel evolution

Along with our big brains and upright posture, thick tooth enamel is one of the features that distinguishes our genus, Homo, from our primate relatives and forebears. A new study, published May 5 in the Jo ...

May 05, 2014
4.7 / 5 (3) 1

When things get glassy, molecules go fractal

Colorful church windows, beads on a necklace and many of our favorite plastics share something in common—they all belong to a state of matter known as glasses. School children learn the difference between ...

Apr 24, 2014
4.2 / 5 (13) 0

Ferns borrowed genes to flourish in low light

During the age of the dinosaurs, the arrival of flowering plants as competitors could have spelled doom for the ancient fern lineage. Instead, ferns diversified and flourished under the new canopy—using ...

Apr 14, 2014
4.6 / 5 (5) 0

Lessons offered by emerging carbon trading markets

Although markets for trading carbon emission credits to reduce greenhouse gas emissions have stalled in United States federal policy-making, carbon markets are emerging at the state level within the U.S. and around the world, ...

Mar 21, 2014
3 / 5 (8) 1