News
- Environment
No water contamination found in Ohio’s fracking epicenter
Methane in Ohio groundwater comes from biological sources, such as bacteria, not fossil fuel exploration.
- Humans
Oldest human DNA narrows time of Neandertal hookups
A 45,000-year-old Siberian bone provides genetic clues about the timing of interbreeding between ancient humans and Neandertals.
- Physics
Magnetic detector identifies single protons
An MRI-like machine can scan an individual proton, raising prospects that a similar technique could eventually image biological molecules one by one.
- Environment
Engineered plants demolish toxic waste
With help from bacteria, plants could one day clean up polluted sites.
