Cells covered in tiny, hair-like cilia clear foreign substances from the respiratory tract.
By The Scientist Staff | May 1, 2013
Dartmouth College Electron Microscope Facility
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By Amanda B. Keener
By taking cues from bird feathers, scientists engineer nanoparticle structures that produce striking colors.
By Bob Grant
Researchers unearth 3.3 million-year-old stone flakes in Kenya, forcing a reimagining of the emergence of such technologies in the ancestors of humans.
By The Scientist Staff
Scanning electron micrograph of lily (Lilium auratum) pollen
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