In this week’s #GeekReads: brain size and extinction risk; chocolate on the brain; impulses towards retribution; the online spread of Ebola fears; the legacy of Harper Lee.

Extinction vulnerability. Surprisingly, animals with larger relative brain sizes may face greater risk of extinction. From Stanford University via Futurity

A chocolate a day. Regularly eating chocolate may help the brain retain mental sharpness. From Tom Jacobs via Pacific Standard.

Crime & Punishment. A philosopher offers a different vision for our country’s justice system, less based on punishment, and more on rehabilitation and empathy. From Neil Levy via Aeon.

Snowballing stress. With the help of the Internet, stress and fear have the ability to spread faster and further than other emotions. From Adrienne Berard via Nautilus.

Take a walk in someone else’s skin. Harper Lee’s To Kill a Mockingbird reflects a respect not just for the arc of history, but for the hope that it does indeed bend toward justice. From Megan Garber via The Atlantic.

 

Tweet us your #GeekReads at @w0nderlab.

Image: flickr/Ken Teegarden CC BY-NC-ND 2.0

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