While chemical theory cannot yet support an engineering vision that allows molecules, DNA sequences, and proteins to be interchangeable parts in artificial constructs without "tinkering", progress can be made in synthetic biology by pursuing challenges at the limits of existing theory.
We tend to seek out drama because it makes like more exciting, but in order to find peace we have to make our lives more exciting by pursuing challenges instead.
Some pursue challenges close to home, mastering a headstand or the perfect side crane balance on a yoga mat.
Ultimately, the judges acknowledged, it would be up to the next mayor to decide how or if to pursue challenges to the court-ordered reforms.
At the end of their voyage, they'll need to have that quality known as "character" -- the willingness to pursue challenge and cope with failure.
A working QR code, a sense of accomplishment, and a lifelong lesson about persistence, grit, failure, critical thinking, teamwork, leveraging others' expertise, and the never-ending desire to pursue challenge in the interest of bettering ourselves, and of course, learning.
Already, state attorneys general are pursuing legal challenges to Mr. Obama's landmark health care bill, an issue that could wind up before Ms. Kagan if she is confirmed.
And that's why we're pursuing "grand challenges" like making solar energy as cheap as coal, and building electric vehicles as affordable as the ones that run on gas.
"He has been much more ambitious and aggressive on environmental regulation than any other president we've had," said Jeffrey Holmstead, a lawyer pursuing legal challenges to some of Mr. Obama's signature environmental rules.
However, in spite of the emergence of integrated food policy as a policy paradigm worth pursuing, considerable challenges remain regarding its concrete realization.
Arguably, researchers have made a lot more progress pursuing other challenges.
