Uncategorized

  1. Archaeology

    Guard dogs and horse riders

    More than 5,000 years ago, the Botai people of central Asia had ritual practices that appeared in many later cultures.

    By Bruce Bower
  2. Earth

    Global warming is marmot wake-up call

    Marmots are coming out of hibernation earlier, while chipmunks and ground squirrels sleep longer-effects that could be attributed to global warming.

    By Tina Hesman Saey

  3. 19183

    This article seems to contain a few errors. Codons are found on the messenger RNA. Therefore, they can’t contain thymine. They must have uracil, instead. The RNA codon AUG (your ATG) is the only codon for methionine. If it is the “start” codon, how is methionine coded? Nicholas L.