Bacteria Got an Early Fix on Nitrogen

A dwarf galaxy near the Milky Way may consist of more dark matter than regular matter.* Clara Moskowitz reports 

NASA has to deal with the unexpected financial consequences of robotic missions that just keep going. Lee Billings reports 

The World's oldest sedimentary rocks reveal traces of our earliest ancestors. New analysis shows life forms existed more than 3.7 billion years ago which were very similar to those found in our deepest oceans today, microbial life around hydro thermal vents. Some pollution might ...  Show more

This week our hosts are joined by guests Samuel and Becky to talk all things Nitrogen. We hear about how nitrogen seems to turn up everywhere - from pharmaceuticals, to explosives, to DNA! 

On today’s episode: Evolution may not be quite as random as we thought. A new drug is being developed to help deal with the problem of antibiotic resistance. All that and more today on All Around Science...

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