Tag: bacteria

Gut bacteria may help combat cancer

The friendly bacteria in our gut may help fight cancer. Two new studies in mice show that some anti-cancer therapies work best when the microbes in our body are strong and healthy – which suggests that antibiotics and cancer might not always make a good combination. Image: Tim Sandle

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Deepest point in the ocean is teeming with life

Hollywood director James Cameron found little evidence of life when he descended nearly 11,000 metres to the deepest point in the world’s oceans last year. If only he had taken a microscope and looked just a few centimetres deeper. Researchers have discovered unusually high levels of microbial activity in the sediments at the site of Cameron’s dive – Challenger Deep. Image: Anni Glud

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Buried microbes exist at limit between life and death

Look and learn, sloths: the microbes deep beneath the Pacific ocean take inactivity to new heights. They are so slow on the uptake of nutrients from their environment that they barely classify as alive. Their very existence could help define the limit between life and death. Paradoxically, though, they may also be among the oldest living organisms on Earth. Image: Hans Røy/Science/AAAS

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