Feature
- Tech
Oceans of Electricity
The world's first commercial wave-power plant began pumping current into a Scottish island's electric grid last winter, just ahead of a host of competing schemes for converting ocean-wave motion into electricity.
- Health & Medicine
Fatty Findings
A recently discovered protein may explain at least part of the molecular mechanisms behind links among obesity, diabetes, heart disease, and even some cancers.
- Astronomy
A Dark Force in the Universe
Cosmologists are thinking dark thoughts about what kind of mystery force may be contorting the cosmos, pushing galaxies apart at a faster and faster rate.
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Gray Matters
Once believed to be a supporting cast, the brain cells called astrocytes appear to play important roles in many brain scenarios.
