Robert Kleinberg, Peter Brewer
Immense quantities of natural gas can be found in icy gas-hydrate deposits. But exploiting this unconventional energy source will be a great challenge
Phillip Levin, Michael Schiewe
The number of Pacific salmon has declined dramatically. But the loss of genetic diversity may be a bigger problem
Michael Russelle
After an 8,000-year journey, the "Queen of Forages" stands poised to enjoy renewed popularity
John Herrick, Aaron Bensimon
Extending DNA and labeling specific sequences pinpoints chromosomal features and unravels natural and disease processes
Joseph A. Nuth III
Explaining the composition of these 4.5 billion-year-old relics may require scientists to revise their models of the primitive solar nebula