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Tech

Drawing energy out of wastewater

Microbes in a fuel cell can generate electricity from plant and animal waste in water.

Genetics

A butterfly’s new green glow

Scientists have tweaked a butterfly's genes to make its eyes glow green.

Space

Destination Mars

Sending mice into space is just one step toward putting astronauts on Mars.

Environment

Improving the Camel

Scientists are breeding camels that are stronger, faster, and able to go longer on less water.

Planets

Rover Makes Splash on Mars

A robot on Mars has gathered evidence that liquid water once flowed on the Red Planet.

Health & Medicine

Moving Good Fats from Fish to Mice

Healthful fats from fish could end up in beef, eggs, and other foods.

Math

Losing with Heads or Tails

Flipping a coin may not be the fairest way to make a choice.

Chemistry

Cooking up superhard diamonds

Popping diamonds into a high-pressure oven can make these hard minerals even harder.

Computing

Computers with Attitude

Researchers are trying to design computers that can recognize how you're feeling and react to help you out.

Environment

Missing tigers in India

Tigers are among the most endangered animals on Earth.

Health & Medicine

Walking to exercise the brain

Light exercise can help elderly people keep their brains in shape.

Environment

Nanosponges soak up pollutants

Tiny, specially designed particles draw pollutants out of contaminated soil.