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E. coli bacterium. Coloured transmission electron micrograph (TEM) of an Escherichia coli (E. coli) bacterium in the early stages of binary fission, the process by which the bacterium divides. This Gram-negative bacillus (rod-shaped) bacterium normally inhabits the human intestines. Under certain conditions it may undergo rapid division, which increases its numbers to such an extent that it causes infection. E. coli cause 80% of all urinary tract infections, travellers' diarrhoea and gastroenteritis in children. The hair-like appendages around the bacterium are pili, structures used for bacterial conjugation. Magnification: x17,500 at 6x7cm size.

Life

Nanoparticles can translate chemical signals from bacteria to yeast

Particles that facilitate communication from one type of cell to another could have applications in medicine and agriculture

News

CT2DTA Sperm Whale, Physeter macrocephalus, Caribbean Sea, Dominica

Life

Scientists want to restore the oceans with artificial whale poo

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DNA computer

Technology

DNA computer could tell you if your drinking water is contaminated

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RoboKrill

Technology

RoboKrill is a one-legged robot that mimics the way krill swim

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New Scientist Live fans take a selfie at the show

New Scientist Live

Join us for a mind-blowing festival of ideas and experiences

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Pacific football fish

Life

Unusual anglerfish glows with bioluminescent and fluorescent light

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Salmon fish farm in fjord. Norway, Bergen.; Shutterstock ID 1091461793; purchase_order: -; job: -; client: -; other: -

Life

Breeding with farmed fish is changing the life cycle of wild salmon

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Hot water drilling

Environment

Remarkable trove of species found living beneath Antarctic ice shelf

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Mother and daughter

Humans

Babies bond better with strangers when they can smell their mother

News

A field of manganese nodules in deep-sea waters near Hawaii.

Environment

Race to start commercial deep-sea mining puts ecosystems at risk

Governments are meeting in Jamaica this week to decide how rules for commercial mining of metals on the ocean floor will be thrashed out, but there are big sticking points

Analysis

Life

Baleen whales eat three times more krill than we thought

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Genetically engineered bacteria could heal us from inside our cells

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Life

Sea cucumber has modified genes to help it live on hydrothermal vents

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Life

Antarctic seal numbers rose and fell with climate over 50,000 years

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