Question: The new work went an extra step, suggesting that the connections that the stem cells form to help bridge the damaged spinal cord, are key to recovery.

The experiment, reported Monday, isn't the first to show that stem cells offer tantalizing hope for spinal cord injury.
Answer: no
Question: Wikipedia founder Jimmy Wales has been accused of editing pages in the encyclopedia in return for a donation to the Wikimedia Foundation. In an article published Tuesday, the Sydney Morning Herald reported that former Novell computer scientist Jeff Merkey alleged Wales had made edits to his article on his behalf, in exchange for a donation to the Wikimedia Foundation. The news hit the website Slashdot later Tuesday, where the incident was dubbed "DonorGate".

Readers of online encyclopedias can edit the contents.
Answer: no
Question: The relocation has enabled the company to eliminate the use of cyanide and chrome in its plating work replacing it with a soaplike solution.

Soap-like alternatives exist.
Answer:
yes