Aware of these dynamics, Western retailers increasingly use outside testing laboratories for Chinese products.

ECONOMIST: Why so many Chinese products are born to be bad

Under the collective bargaining agreement, MLB can suspend players if it can establish that they used banned substances through means outside of testing, though the players' union would likely fight such an attempt in this case.

WSJ: Report Links Yankees' Alex Rodriguez With PED Use

Google X is the "big ideas" arm of the search firm that is tasked with testing out ideas outside the normal remit of the larger company.

BBC: Google acquires kite-power generator