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Did caffeine evolve again and again or did our Common Designer provide many plants with the genes to make it?
What makes bones so strong? If they were made out of minerals alone, they would be too brittle and break.
Evolutionary scientists suggest a simple chemical candidate to carry genetic information in the earliest life forms.
The amazing story of how scientists struggled for years to duplicate an important bit of chemistry.
Newspapers across the United States carried headlines similar to that of The Cincinnati Post: “Key Ingredients for Life Found in Universe,” with the byline “Chemistry Happens Around Distant Stars.”