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AstronomyMeasuring a black hole’s mass isn’t easy. A new technique could change that
The timing of flickers in the gas and dust in a black hole’s accretion disk correlates to its mass, a new study finds.
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PsychologyHow the strange idea of ‘statistical significance’ was born
A mathematical ritual known as null hypothesis significance testing has led researchers astray since the 1950s.
By Bruce Bower -
GeneticsAn Indigenous people in the Philippines have the most Denisovan DNA
Genetic comparisons crown the Indigenous Ayta Magbukon people as having the most DNA, 5 percent, from the mysterious ancient hominids.
By Bruce Bower -
LifeScientists have a new word for birds stealing animal hair
Dozens of YouTube videos show birds stealing hair from dogs, cats, humans, raccoons and even a porcupine — a behavior rarely documented by scientists.