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Directed evolution teaches bacteria to eat carbon dioxide

By Michael Irving – Researchers have evolved E. coli bacteria to eat carbon dioxide from the air.   GunnarAssmy/Depositphotos. – Researchers at the Weizmann Institute of Science have created a new breed of bacteria that can effectively “eat” air. By carefully directing the …

 

Why Newton’s apple is heavier in southern Illinois

As this map of Bouguer’s gravity anomaly shows, the pull of the earth varies considerably by region. By Frank Jacobs – Gravitational anomalies across Illinois, Indiana and Ohio: red means higher than average, blue is lower than average.  Image: USGS.  The law of …