The partial explanation for Africa's plight that disassortative mating provides should not, however, bring false comfort in other areas.

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It's a carefully choreographed mating dance now.

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"They're going there to feed, or they're going there for meeting, where males and females could meet perhaps away from a feeding area, where there's less competition and more focus on mating behaviour, " he suggested.

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Dr Anderson's models suggest that lower levels of disassortative mating cannot stop an epidemic, they merely postpone it.

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The tests will give an early indication of when Tian Tian's hormones will be at their peak for mating.

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In this case, he's guided by the notion of a manic mating ritual between foolishly bluff male bugs and deceptively vulnerable female ones.

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Edinburgh Zoo's pandas could be introduced to each other for mating later.

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Zoo chiefs have begun fertility tests on Edinburgh's female panda, Tian Tian, ahead of the spring mating season.

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These people are often more serious about dating and mating than the casual users on bigger sites, where Siminoff's customers might not fare as well with loads of competition and little handholding.

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