The Head Lines section of Scientific American MIND's November/December issue mentioned the following articles in brief. Click on the links to learn more about them.
- When a wolf leaves its pack, its closest lupine pals are the ones most likely to howl.
- Biologists have grown mini brains, akin to that of a nine-week-old fetus, out of stem cells derived from skin.
- A computer scientist's interest in stylometry, the study of writing style, helped to unveil J. K. Rowling as the true author of a recent crime novel.
- Obsessive-compulsive disorder may have shaped many figures in American history, who in turn shaped the country.
- Different brainwide networks of neurons give rise to distinct stages of the creative process.
- When a peacock unfurls his tail, peahens look longest at the male's legs and the base of his tail, hardly glancing at the majestic fan of feathers.
- People sleep more poorly during a full moon--even when slumbering in a windowless room.
- Are whistle-blowers ethical? In one study, baseball fans viewed a player-turned-whistle-blower as more ethical if he was on a rival team--but not the home team.
- Even a simple ritual before an activity heightens our enjoyment of the subsequent experience.
- Dolphins have signature whistles that may serve as names. They appear to recognize these whistles even after decades of separation.
- Pigeons, like humans, can behave irrationally.