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Science News
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The human brain can recognize thousands of different objects, but neuroscientists have long grappled with how the brain organizes object representation; in other words, how the brain perceives and identifies different objects. Via Tom Perran, michel verstrepen 
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Astronomers have put forward a new theory about why black holes become so hugely massive – claiming some of them have no 'table manners', and tip their 'food' directly into their mouths, eating more than one course simultaneously.
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Here we demonstrate the highest level of sexual brain size dimorphism ever reported in any vertebrate: male three-spined stickleback of two morphs in an Icelandic lake have 23% heavier brains than females. We suggest that this dramatic sexual size dimorphism is generated by the many cognitively demanding challenges that males are faced in this species, such as an elaborate courtship display, the construction of an ornate nest and a male-only parental care system.
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Space, as Douglas Adams once so aptly wrote, is big. To try imagining how big, place a penny down in front of you. If our sun were the size of that penny, the nearest star, Alpha Centauri, would be 350 miles away.
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Our brains are not as large as they are in order to provide each of us with the raw computational power to think our way out of a sticky situation, instead our brain size helps each of us to deal with the large and complex network of relationships we rely on to thrive.
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Leopold Kohr argued that size matters--and unlike most that argue for the same, he argued that political entities must not be too large. In the map above, Kohr envisioned a Europe without countries large enough to dream of world domination. So, how does a country's size shape its politics? Is there an ideal size for internal unity and external security? Via Martin Daumiller
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Scale is a simple concept. From a very early age, children know about big and small, heavy and light, more and less. Extreme scales, however, are another story.
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There are several videos circulating showing a comparison of the largest stars. I like these kind of things, and I wanted to try one myself. Probably because I also watched "Cosmos" by Carl Sagan as a kid.
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