Quasar's belch solves longstanding mystery (w/ Video)

(PhysOrg.com) -- When two galaxies merge to form a giant, the central supermassive black hole in the new galaxy develops an insatiable appetite. However, this ferocious appetite is unsustainable.

Saying sorry really does cost nothing

(PhysOrg.com) -- Economists have finally proved what most of us have suspected for a long time - when it comes to apologising, talk is cheap. According to new research, firms that simply say sorry to disgruntled customers ...

A reliable clock for your microbiome

For all the attention the human microbiome has been getting over the last few years, one aspect of such research rarely makes headlines: the difficulty of observing how it changes over time in response to various stimuli. ...

Early life on Earth limited by enzyme

The enzyme-nitrogenase-can be traced back to the universal common ancestor of all cells more than four billion years ago.

Bacteria use DNA replication to time key decision

In spore-forming bacteria, chromosomal locations of genes can couple the DNA replication cycle to critical, once-in-a-lifetime decisions about whether to reproduce or form spores. The new finding by Rice University bioengineers ...

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