Dolphins have a clever trick for overcoming sleep deprivation. Sam Ridgway from the US Navy Marine Mammal Program explains that they are able to send half of their brains to sleep while the other half remains conscious. What ...
Plants & Animals
May 1, 2009
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(Phys.org) —An endangered species of Madagascan lemur uses the alarm calls of birds and other lemurs to warn it of the presence of predators, a new study by researchers from the University of Bristol and Bristol Zoo with ...
Plants & Animals
Jul 5, 2013
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In order to spot potential predators, adult meerkats often climb to a higher vantage point or stand on their hind legs. If a predator is detected, they use several different alarm calls to warn the rest of the group. New ...
Plants & Animals
Feb 4, 2013
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An article published in the Journal of Social Epistemology entitled "Institutions of Epistemic Vigilance: The Case of the Newspaper Press" authored by Central European University researchers Akos Szegofi and Christophe Heintz ...
Social Sciences
Nov 17, 2022
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Our level of alertness rises and falls over the course of a workday, sometimes causing our energy to drop and our minds to wander just as we need to perform important tasks.
Consumer & Gadgets
Oct 16, 2018
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The Brazilian stingless bee Tetragonisca angustula (jataí in Portuguese) deploys a different strategy for defending its nests from other social insect species. In addition to posting sentinels at the nest entrance, as do ...
Plants & Animals
Sep 6, 2018
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When black women report high levels of vigilance—chronic, daily worry about having to encounter prejudice—their health suffers.
Social Sciences
Feb 27, 2018
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Some may assume that low-income residents of run-down, crime-ridden neighborhoods do not care about their communities. However, research from the University of Missouri suggests otherwise.
Social Sciences
Jul 2, 2013
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A hacker has accessed personal details on thousands of Australia's future military leaders, a situation one expert has described as a national security failure.
Internet
Dec 12, 2012
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Consumers should take the time to prepare themselves by researching prices and quality before they hit the stores or Internet this holiday shopping season, according to University of Colorado Boulder Professor Donald Lichtenstein.
Economics & Business
Nov 16, 2011
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