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Are parallel realities exerting a strange force on our own, causing galaxy clusters to stream across space towards the edge of the known universe?
Men who want to become fathers should have sex or ejaculate daily in order to maximise sperm quality, scientists report.
All molecules are not created equal. Some have saved billions of lives, wreaked environmental havoc or made the world a more colourful place. Here's a selection of those that have changed the course of human history.
Fresh insights into a perplexing human capacity: morality.
A perspective on how our genes and the environment contribute to our behaviour.
Could dinosaurs have evolved intelligence?
Both genders dream about sex equally, but fantasies tend to differ, says a new study.
The top 10 lab-tested tips to give you the edge in the dating game.
Aboriginal Australians descend from the same lineage as the first modern humans to migrate from Africa, DNA analysis has confirmed.
A 2,100-year-old clockwork machine whose remains were retrieved from a shipwreck more than a century ago has turned out to be the celestial super-computer of the ancient world.
Good timing gives way to successful stem cell transplants.
A band of scientists is trying to find out how they reproduced.