Fern sieve cells shrank over geological time, cutting sugar-transport capacity
A study of living and fossil ferns finds that sugar-conducting sieve cells became smaller through geological time, implying a substantial ...
Tag: plant vascular system evolution
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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