refrigeration food spoilage fewer farms food variety

Refrigeration let food come from farther away

By slowing spoilage, refrigeration made it possible to move meat, seafood, fruit, and vegetables over much longer distances. Food could come from fewer and more distant farms and fisheries while consumers gained access to a wider variety of products.

Jupiter stopped a planet from forming

Jupiter’s gravity kept material between Mars and Jupiter from joining together into a planet. The asteroid belt left there may contain millions of objects at least a kilometer wide, yet all of them together weigh less than one-thousandth as much as Earth.

Viruses are assembled rather than dividing like cells

A virus does not reproduce by splitting into two cells. Inside a host cell, separate viral parts are made and then assembled into new virus particles. Viruses can still inherit mutations and evolve, which helps make the question of whether they are "alive" difficult to answer.

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refrigeration food spoilage fewer farms food variety

Refrigeration let food come from farther away

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