An anonymous reader writes "Just in case you missed it, Nature has replied to Britannica's criticism of the Nature Britannica-Wikipedia comparison. I think it is fair to say Nature is not sympathetic to Britannica's complaints." The original piece regarding the accuracy comparison, along with the response from Britannica.

dylanduck writes ""Imagine getting inside the mind of a shark: swimming silently through the ocean, sensing faint electrical fields, homing in on the trace of a scent." That's what the Pentagon wants to do, says New Scientist. By remotely guiding the sharks' movements using a newly designed neural implant, the military hope to transform the animals into stealth spies."