Hungry bug seeks hot meal

A seed-loving insect finds food by sensing its temperature

By Dina Fine Maron, 00:00 AM November 18, 2008

Western white pine cones light up when seen through an infrared camera. Even under cloudy conditions, the cones run 15 degrees Celsius warmer than the surrounding needles.

Western white pine cones light up when seen through an infrared camera. Even under cloudy conditions, the cones run 15 degrees Celsius warmer than the surrounding needles.

Photography: Hannah Bottomley; Thermography: Stephen Takács

Superman may have something in common with one kind of seed-eating bug. Both use special powers to zero in on a warm target. In the bug’s case, the target is dinner.

For humans, finding some Oreos or popcorn can be a challenge in a crowded supermarket. Now imagine ho...

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