Stock purchases by senators generate abnormal returns for firms
Stock purchases by U.S. senators generated abnormal positive returns for the firms whose stock was purchased, according to a new study by U of A researchers.
Stock purchases by U.S. senators generated abnormal positive returns for the firms whose stock was purchased, according to a new study by U of A researchers.
Economics & Business
Oct 20, 2022
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Take a drive down England's M40 motorway and chances are you'll see a large bird with a forked tail overhead searching for roadkill: the red kite.
Plants & Animals
Sep 28, 2022
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Listeners of the true crime podcast Teacher's Pet were vindicated last Tuesday when 74-year-old Chris Dawson was found guilty of murdering his wife Lynette in Sydney nearly 40 years ago.
Social Sciences
Sep 6, 2022
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Plants have evolved elaborate mechanisms for detecting neighboring plants, which typically involve the perception of "cues'" inadvertently produced by their neighbors. Strigolactones are hormonal signaling molecules that ...
Molecular & Computational biology
Aug 9, 2022
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4
Humans make decisions based on various sensory information, which is integrated into a holistic percept by the brain. But how do single cells make decisions? Much more autonomously than previously thought, as researchers ...
Cell & Microbiology
Jul 19, 2022
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Neuromorphic photonics/electronics is the future of ultralow energy intelligent computing and artificial intelligence (AI). In recent years, inspired by the human brain, artificial neuromorphic devices have attracted extensive ...
Optics & Photonics
Jun 30, 2022
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9
It's often said that people who click right away share "chemistry."
Plants & Animals
Jun 24, 2022
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847
Everyone has an accent. But the intelligibility of speech doesn't just depend on that accent; it also depends on the listener. Visual cues and the diversity of the listener's social network can impact their ability to understand ...
Social Sciences
May 24, 2022
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Variability is crucially important for learning new skills. Consider learning how to serve in tennis. Should you always practice serving from the exact same location on the court, aiming at exactly the same spot? Although ...
Social Sciences
May 13, 2022
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Scientists at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) have analyzed the influence of the shape of Paleolithic tools on visual attention during handling in a study led by María Silva Gago ...
Archaeology
May 6, 2022
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