The solar system's periodic passage through a "dark disk" on the galactic plane could trigger comet bombardments that would cause mass extinctions -- Read more on ScientificAmerican.com
Tiny diatoms would add precision to the ongoing efforts to measure the natural gas boom’s effects on water quality -- Read more on ScientificAmerican.com
The determination on children's faces as they struggled with a difficult task was not observed in chimpanzees involved in the same study, suggesting that the expression is an evolutionary trait -- Read more on ScientificAmerican.com