“What’s causing all the confusion, the infighting, the disagreement — it’s really a lack of goal setting,” said Joseph G. Allen, a Harvard University expert on maintaining health inside buildings, including schools. “Zero Covid in schools? Well, that may not
Tag: normal
Engineering a second genetic code in parallel with the normal one
Enlarge / A cartoon of the process that translates the genetic code in DNA into a protein. All living things on Earth use a version of the same genetic code. Every cell makes proteins using the same 20 amino acids.