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Steve: And we've also discovered, because we now have some actual NeandertalDNA to work with, that they did have this particular gene, FOXP2 gene, that is correlated with our ability to speak, not tha...

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This is a 3D model of a DNA molecule. It is made up of two strands that form a double helix. If we unwind the helix, we can see that each strand is a chain of building blocks called nucleotides. Le...

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Books and Arts; Book review; How the internet works; Mapping the tubes; Contrary to expectations, the internet has a heart of cable and steel. Tubes: A Journey to the Centre of the Internet. By And...

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Doctors in hospital emergency rooms often see accidental poisonings.A frightened parent arrives with a child who swallowed a cleaning liquid.Or perhaps the harmful substance is a medicine.Or it might ...

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Steve: And I'm here with Mariette DiChristina and you can see a lovely photograph of her in the Letter from the Editor column. The August issue has some fascinating stuff including the cover piece on ...

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How would you describe the Universe-- infinite, eternal? How about smooth versus bumpy? In other words, why isn't all of the matter in our Universe clumped together in one big ball, or convers...

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Mr Hamidi's enemies, most of them businessmen offended by his cleaning-up exercises, called him a puppet of the Karzais, their dog on a leash. That infuriated him. Yes, he had sold 10,000 acres of lan...

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Hospital workers crowd around. Two worried parents hold each other. The mother puts her hand to her mouth, frightened. They watch the doctors closely. Doctors make the first cut into a small body. It ...