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Health & Medicine

By taking on poliovirus, Marguerite Vogt transformed the study of all viruses

She pioneered the field of molecular virology with her meticulous lab work and “green thumb” for tissue culture.

Paleontology

Fossil tracks may reveal an ancient elephant nursery

Fossilized footprints at a site in Spain include those of an extinct elephant’s newborns, suggesting the animals may have used the area as a nursery.

Archaeology

Stone Age people used bone scrapers to make leather and pelts

African cave finds include remains of skinned creatures and hide scrapers made from animal ribs.