This Day in Why
Posts tagged “This Day in Why”
2 posts
On This Day: Why Can't Groundhogs Actually Predict the Weather?
On February 2, 1887, the first Groundhog Day was observed in Punxsutawney, Pennsylvania. But why do we trust a rodent's shadow for weather forecasts? Spoiler: we shouldn't.
Feb 2, 2026·Nature & AnimalsThis Day in Why: Ham the Chimp - Why Do We Send Animals to Space?
On January 31, 1961, a chimpanzee named Ham became the first primate in space. But why did NASA send a chimp before a human? The answer reveals fascinating science about how we test the unknown.
Jan 31, 2026·Space & Astronomy