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LINDAU, Germany--A 93-year-old Nobel laureate in physiology or medicine received a standing ovation from hundreds of scientists June 30 at the end of a speech in which he urged the world's young people to take measures to control runaway population growth in order to resolve related ills that have resulted from humans' remarkable evolutionary success as a species. [More]

Battery technology hasn't kept pace with advancements in portable electronics, but the race is on to fix this.