Are men’s brains from Mars and women’s brains from Venus? Are male and female brains different? This video from BrainCraft shows that male and female brains are basically the same.

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We've searched our archives to find the best articles on the science of love and kissing for you on Valentine's Day.

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A 1995 study by the Women's Sports Foundation found that young female athletes were less likely to experience a teen pregnancy or engage in risky sexual behaviour.

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DNA Day experts answer your questions about about genetics and gender/sexual orientation . Learn More about DNA Day.

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Exactly what determines a person's sexual orientation still remains a mystery.

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Whether you're pecking granny's cheek or tangling tongues with that special someone, there's a lot of biology in a kiss. From lip action to brain power, kissing is a coordinated affair of chemicals, electricity, and fireworks.

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Models are known for sporting high heel shoes down the runway, but there may be some evolutionary reasons from wearing these top fashion items.

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Although it is common to say “he/she is so cute,” researchers have found that smell plays an important role in the art of attraction for both animals and humans.

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Sex and Sexuality - Maybe you've learned about it from your parents, maybe you read about it in a magazine, or maybe, you got all your knowledge from one of the many sexual health educators that visit local classrooms.

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Estrogen, the “female” hormone, is a steroid molecule important for reproduction.

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