Iodine

**Note: We are republishing each of the 22 challenges from Catherine’s fiscal cliff article – one a week. Helps to digest them bit by bit!**

By Dan Cossins Researchers have electronically linked the brains of pairs of rats, enabling the animals to communicate directly via implanted microelectrode arrays to solve

By Tim O’Reilly When we hear the term “cyberwarfare” we think of government-backed hackers stealing data, or releasing viruses or other software exploits to disrupt

By Xinhua writer Ding Yi While the whole Europe hailed Irish “yes” to the Lisbon Treaty, the Czech republic remains reluctant to sign the document,