Fuel cells in bacteria

The exchange of nitrogen between the atmosphere and organic matter is crucial for life on Earth because nitrogen is a major component of essential molecules such as proteins and DNA. One major route for this exchange, discovered ...

How superstitions spread

Ancient Roman leaders once made decisions about important events, such as when to hold elections or where to build new cities, based on the presence or flight patterns of birds. Builders often omit the thirteenth floor from ...

Bacteria harness viruses to distinguish friend from foe

Bacterial cells that normally colonize our guts can distinguish themselves from other bacterial species using what's traditionally considered their enemy—a virus. Researchers report April 16 in the journal Cell Reports ...

Megalith tombs were family graves in European Stone Age

In a new study published in the Proceedings of the National Academy of Sciences, an international research team led from Uppsala University discovered kin relationships among Stone Age individuals buried in megalithic tombs ...

Attention skills in a nonhuman cooperative breeding species

Cooperative breeding may facilitate the development of sophisticated communicative abilities such as intentionality and joint attention skills. Two new studies of researchers of the Max Planck Institute for Ornithology in ...

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