Feature
- Computing
Digital Fingerprints
New methods to identify Internet users by their behavior can uncover criminals online, but these techniques may also track millions of innocent users.
- Physics
Cellular Contortionist
Mounting, but controversial, evidence suggests that DNA flexes more easily than previously thought, with potentially important implications for genetics, cell biology, and nanotechnology.
- Ecosystems
Most Bees Live Alone
Concern about honeybee shortages has inspired new interest in bees that lead solitary lives and don't bother storing honey.
- Astronomy
A New Spin
Using a flotilla of spacecraft to study X-ray emissions from the vicinity of black holes, astronomers are nudging ever closer to the whirlpool of activity surrounding these gravitational monsters.
