The hidden math of bacterial behavior

As modern medical science has become increasingly aware of the positive role that bacteria and other microorganisms can play in our health, a mystery has emerged: How is it that beneficial microbial communities can sometimes ...

Deprived of oxygen, layers of bacteria get creative

Bacteria are found living nearly everywhere on our planet, from the inside of human intestines to the soil to deep underwater. When scientists study bacteria in the lab, they most often examine individual bacterial cells ...

Famous economics experiment reproduced thousands of times

In an open marketplace, such as a farmers' market where produce and other goods like candles and flowers are exchanged for money, the ideal prices for both consumers and sellers will quickly emerge. For example, if a seller ...

Decoding the language of cellular messaging

Before the days of rote texting and email, if you wanted to communicate with a friend you might have personalized and assembled a physical letter. Similarly, the individual cells in our bodies communicate with each other ...

Bacteria with a metal diet discovered in dirty glassware

Caltech microbiologists have discovered bacteria that feed on manganese and use the metal as their source of calories. Such microbes were predicted to exist over a century ago, but none had been found or described until now.

Molecular 'tails' are secret ingredient for gene activation

It might seem as though humans have little in common with the lowly yeast cell. Humans have hair, skin, muscles, and bones, among other attributes. Yeast have, well, none of those things.

Slow earthquakes in Cascadia are predictable

If there is one word you are not supposed to use when discussing serious earthquake science, it is "predict." Seismologists cannot predict earthquakes; instead they calculate how likely major earthquakes are to occur along ...

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