Feature
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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.
- 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.
- Earth
Region at Risk
Scientists are still analyzing the magnitude 7.9 quake that struck San Francisco a century ago and, at the same time, are scrambling to estimate when the next large quake will strike the Bay Area.
