Testosterone promotes both aggression and 'cuddling' in gerbils, study finds

Research conducted with Mongolian gerbils, rodents that form lasting pair bonds and raise their pups together, has revealed how testosterone influences the neural activity of oxytocin cells, the so-called love hormone associated with social bonding. (Aubrey Kelly) Research conducted with Mongolian gerbils, rodents that form lasting pair bonds and raise their pups together, has revealed how testosterone influences the neural activity of oxytocin cells, the so-called love hormone associated with social bonding. (Aubrey Kelly)

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North Korea fires missile over Japan

North Korea on Tuesday fired an intermediate-range ballistic missile over Japan for the first time in five years, forcing Japan to issue evacuation notices and suspend trains, as the North escalates tests of weapons designed to strike regional U.S. allies.

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