Scientists sound acid alarm for plankton

The microscopic organisms on which almost all life in the oceans depends could be even more vulnerable to increasingly acidic waters than scientists realised, according to a new study.

Determining the timing of methanogen evolution

Early forms of life very likely had metabolisms that transformed the primordial Earth, such as initiating the carbon cycle and producing most of the planet's oxygen through photosynthesis. About 3.5 billion years ago, the ...

Essential mechanism of symbiosis found in Hawaiian squid

(Phys.org) —Experiments at UW-Madison with a small squid that glows in the dark have uncovered a complex conversation that allows the newly hatched squid to attract the glowing, symbiotic bacteria that disguises it against ...

How E. coli cells work in the human gut

(Phys.org) -- The bacterium Escherichia coli, commonly known as E. coli, has a duplicitous reputation. Scientists tell us that most strains of the microbe live peacefully in our guts or the guts of other mammals, munching ...

Impacts could be boon for subterranean life

An incoming asteroid is trouble whether you're a dinosaur or a Bruce Willis fan. But microbes living deep underground may actually welcome the news, according to a recent study of an ancient impact in the Chesapeake Bay. ...

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