A U.S. Navy researcher announced today that her lab has produced significant" new results that indicate cold fusion-like reactions. If the work by analytical chemist Pamela Mosier-Boss and her colleagues is confirmed, it could open the door to a cheap, near-limitless reservoir of energy. Devising a fusion-based source of energy on Earth has long been a "clean-energy" holy grail of physicists. A small group of scientists has [tried] to produce fusion reactions at low temperatures. If such experiments did produce fusion reactions, they would generate highly energetic neutrons as a byproduct. These are what Mosier-Boss says her San Diego-based group has found. "If you have fusion going on, then you have to have neutrons," she said. "But we do not know if fusion is actually occurring. It could be some other nuclear reaction." Today's announcement is based partly on research published by Mosier-Boss' group last year in the journal Naturwissenschaften. The announcement may turn heads, given its stage at the American Chemical Society's big meeting and the fact that the organization promoted it to science journalists in advance. "It's big," said Steven Krivit, founder of the New Energy Times publication, which has tracked cold fusion developments for two decades. "What we're talking about may be more than anybody actually expected," he said. "We're talking about a new field of science that's a hybrid between chemistry and physics."