Biochemists discover self-repair function in key photosynthetic protein complex
Cyanobacteria began contributing oxygen to Earth's mostly noxious atmosphere more than 2 billion years ago. The photosystem ...
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Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
Beryl’s crystal structure is more complicated than corundum’s because of the additional elements in the formula, but each aluminum ion ... of complex structures made with the elements in the periodic ...