reproduction
Baby beasts: Love and evolution in the animal kingdom
Evolutionary success is not about the number of one's children, but one's grandchildren: the children need to survive and pass on their genes.
Sperm may play bigger role in pregnancy than we thought
The tiny swimmers appear to transmit signals that "persuade" the female body to have a baby.
Why do some species evolve to miniaturize?
The island rule hypothesizes that species shrink or supersize to fill insular niches not available to them on the mainland.
Selfish sperm genes ‘poison’ the competition for the win
Imagine poisoning your rival and yourself and giving only yourself the antidote.
Why do men need to recharge after sex? Scientists make surprising discovery.
Previous research suggesting it's all about prolactin may be missing the mark.
Human sexual desire: Is monogamy natural?
Monogamy is often considered a key component of traditional marriages, but it's only half the story.
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Being in a frisky mood may improve your chances in the dating world
Positive, romantic thoughts could produce positive, romantic outcomes while dating.
Sperm don’t slither, they swim in a corkscrew motion
New research reveals that because of an optical illusion, we've been viewing sperm incorrectly for nearly 350 years.
What really happens in your body and brain when you orgasm?
You may be surprised at how your body and brain react to this type of pleasure.
The formula that predicts every animal’s life story
Life forms on Earth are wildly varied, but scientists discover a single formula that predicts every one's life cycle.
New study finds the egg may actually ‘choose’ the sperm
Here's the first evidence to challenge the "fastest sperm" narrative.
AI Is Evolving in a Way That Could Be Hard to Stop
AI is capable of self-reproduction—should humans be worried?
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