Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaf shapes play an important role in tree identification, providing key ...
When Barack Obama told a crowd at a campaign event on Tuesday, “You can put lipstick on a pig, but it’s still a pig,” the McCain campaign swiftly took offense, claiming the analogy was directed at ...
miRNAs are short, noncoding RNA molecules, 16–29 nucleotides long, that modulate gene expression by base-pairing with the 3′ untranslated region of their target mRNAs. Depending on the degree of ...