This week, Cornell's Creative Machines Lab posted a video that shows what happens when a robot chats with another robot. The result? A curious conversation that goes from eccentric to existential. Robert Siegel talks to Hod Lipson, professor of mechanical and aerospace engineering at Cornell University, who helped set up the experiment.
People are notorious for under-reporting what they consume — they lie, forget or just guess wrong. For researchers who want to know how much soda we're drinking, a high-tech analysis technique could help.
Prayers said before meetings of the town board in Greece, N.Y., have predominantly been Christian. A lower court ruled that officials hadn't done enough to seek out prayers from other faiths. That violates the Constitution's Establishment Clause, the court said. Now the Supreme Court will weigh in.
Yahoo will pay about $1.1 billion for the six-year-old blogging site. Tumblr's leadership won't change and Yahoo promises it will be independently operated.