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Scientists Show Where Roots Get Air to Breathe

New Instrument May Locate Old Tombs

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Yellow Fever Now Making Last Stend

Discover Universe’s Largest Stars 10,000 Times Brighter than Sun

Mosquitoes Thrive in Warm Weather

German Acid Treatment Improves Cotton Cloth

Gases Heavier than Lead

Sees Future Factories Growing Own Fuel

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Drowning out Rice-Field Weeds

Trees Can’t Breathe Smoke and Live