High-tech materials purify water with sunlight

Sunlight plus a common titanium pigment might be the secret recipe for ridding pharmaceuticals, pesticides and other potentially harmful pollutants from drinking water. Scientists combined several high-tech components to ...

Hedges and edges help pigeons learn their way around

A study has found that homing pigeons' ability to remember routes depends on the complexity of the landscape below, with hedges and boundaries between urban and rural areas providing ideal landmarks for navigation.

FCC set to unveil rules for rural broadband fund

Federal regulators are set to reveal their plan Thursday for an overhaul of the $8 billion fund that subsidizes phone service in rural areas and for the poor, with the goal of redirecting the money toward broadband expansion.

page 9 from 40