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The Bias Finders
A simple test of unconscious preferences has achieved great popularity among psychologists and, at the same time, sparked heated debate over how it works and whether it shows widespread implicit biases against black people.
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19668
Clock time has long been out of step with the heavens. Since the adoption of time zones in the 19th century, we have accepted disparities of as much as 30 minutes at the edges of the time zones (more in some cases since time zones are set by politics, not geography). And of course, the […]
- Humans
To Leap or Not to Leap
Scientists are debating whether to continue the practice of occasionally inserting leap seconds in order to keep official, atomic-based time in sync with time based on Earth's rotation.
