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Each moth escapes its own way

https://www.mpg.de/13647825/each-moth-escapes-its-own-way

Moths perform evasive flights with diverse tactics in order to avoid being eaten by bats. Researchers of the Max Planck Institute for Ornithology in Seewiesen found in their new study not only that the diversity of escape tactics is species-specific, but also that they differ between individuals within a species. This unpredictability of evasive flights experienced by bat predators is likely to protect the whole moth community.
These are the same behaviors as seen in many other prey species, such as doubling-back

New equation reveals how other people’s fortunes affect our happiness

https://www.mpg.de/10604496/happiness-equation-updated

A new equation, showing how our happiness depends not only on what happens to us but also how this compares to other people, has been developed by UCL researchers funded by Wellcome. The team developed an equation to predict happiness in 2014, highlighting the importance of expectations*, and the new updated equation also takes into account other people’s fortunes.
played gambles to try to win money and saw whether another person won or lost the same