MSNBC is rebranding to "MS NOW" and is getting a new logo. Employees are chattering about what the rebrand signals for the cable TV network's future.

For example, a microarray with probes selected from regions across the genome that are 1 Mb apart will be unable to detect copy number changes of the intervening sequence.

Ltd. is an abbreviation for "limited," a type of incorporation used in the United Kingdom, Ireland, Canada, and other members of the Commonwealth.