Petros Drineas, assistant professor of computer science, is part of an international team of researchers that has identified just 200 positions within the curves of the DNA helix that they believe account for much of the genetic diversity in European Americans. Their findings narrow the search for the elusive ancestral clues known as single nucleotide polymorphisms that cause disease and account for minute variations in the European American population. Read more.

More energy from sunlight strikes the Earth in one hour than all the energy consumed on the planet in one year, yet solar energy provides less than 1.5 percent of all electricity and fuels. The overwhelming need for carbon-neutral energy and the enormous potential of solar energy conversion defined the 25th Eastern Regional Photosynthesis Conference, held at the Marine Biological Laboratory at Woods Hole, Mass. Read more.