Humans
Thank bees for orchids’ diversity
Orchids owe their enormous variety to the bees and other insects that pollinate them
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Health
Transsexual differences caught on brain scan
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Earth
Polygamy boosts mouse sperm fitness
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Earth
Female crickets fall for serenades of younger males
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Humans
The scent of a woman’s tears wards off men
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Earth
Why incest among animals cuts male sexual aggression
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Humans
Evolutionary sex wars continue despite peace treaties
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Health
Structure of egg ‘glue’ may bring new contraceptives
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Health
Being in love eases the pain
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Health
Men beware: moving country could affect your libido
Levels of hormones that influence sexual arousal and disease susceptibility are in part determined by where men live
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Environment
Zoologger: The heaviest animal in the air
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Environment
Desirable daisies lure male flies with offer of sex
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Humans
Birds use optical illusions to get mates
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Health
Smoking, bad for your fertility and your child’s
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