E. coli bacteria are the frequent culprits behind outbreaks of food-borne illnesses. But not all strains are harmful; some are even helpful.
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Planetary protection protocols try to make sure we don't seed places like Mars with life from our planet. An astrobiologist argues they're misguided – especially with human astronauts on the horizon.
Chicken meat is an extremely popular and affordable source of animal protein, and each Australian now consumes approximately 43 kilograms of it every year. But chicken is also uniquely prone to making…
