News
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Health & MedicineBioengineered kidney transplanted into rat
Cleansed of cells and repopulated anew, bioengineered organ successfully produces urine.
By Nathan Seppa -
CosmologyDark matter detector reports hints of WIMPs
Experiment hundreds of meters underground detects three candidate signs of dark matter, though physicists are cautious about the finding.
By Andrew Grant -
HumansGroup size affects racial makeup of friend groups
Larger settings seem to promote segregation, simulation finds.
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HumansArdi’s kind had a skull fit for a hominid
Study of reconstructed skull section puts 4.4-million-year-old species in human evolutionary family.
By Bruce Bower -