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Science

Eating Dirt Does No Harm

Scientists scan cultural accounts to conclude it’s a habit that may help protect against pathogens

Origins of Altruism

Artificial evolution lends support to a formula proposed in 1964 to explain the phenomenon

An Empire Built on Llama Dung

The shift from semi-nomadic existence to settled agriculture in the Americas may be the result of llama waste used as a fertiliser

Physics of Snake Venom

Its physical properties as a fluid are as perilous as its chemical composition

The Colonisation of Ants

How a fungus infects ants and manipulates their behaviour to propagate itself

Canon Powershot A 3300

A budget camera that will not leave you feeling cheated

Defence against Malaria

An understanding of the link between sickle cell anaemia and malaria may lead to new therapies

Is Fish Good for You?

Yes, if you worry about your heart. No, if you run the risk of prostate cancer

Commercial Space Trips within the Decade

As companies vie to build a successor to the Shuttle, commercial flights into space seem closer

Have We Got Our Exercise Routine Wrong?

New research backs the claim that a brief burst of intense exercise is better than endurance training

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