ScienceDaily: Strange Science News |
- Like humans, monkeys can make irrational decisions when making choices
- That's no primate: It's a fish! New look at fossil of 'lemur without a nose'
- Surprising black hole discovery changes picture of globular star clusters
- New fanged dwarf dinosaur from Africa ate plants
| Like humans, monkeys can make irrational decisions when making choices Posted: 03 Oct 2012 04:51 PM PDT When making decisions about the value of an assortment of different objects, people approximate an average overall value, which though frequently useful can lead to apparently irrational decision-making. A new study shows for the first time that non-human primates also make similar "irrational" choices based on approximation.  |
| That's no primate: It's a fish! New look at fossil of 'lemur without a nose' Posted: 03 Oct 2012 10:42 AM PDT A seven million-year-old South American fossil from a species known as Arrhinolemur scalabrinii -- which translates literally to "Scalabrini's lemur without a nose" -- has long been a curiosity because there is only one specimen in existence and it is unlike most other primates. There is a reason for that, scientists have discovered. The lemur without a nose is actually a fish.  |
| Surprising black hole discovery changes picture of globular star clusters Posted: 03 Oct 2012 10:21 AM PDT An unexpected discovery is forcing scientists to rethink their understanding of the environment in globular star clusters, tight-knit collections containing hundreds of thousands of stars. The astronomers were studying a globular cluster called Messier 22 (M22), a group of stars more than 10,000 light-years from Earth. They hoped to find evidence of a rare type of black hole in the cluster's center called an intermediate-mass black hole, which is more massive than those larger than the Sun's mass, but smaller than the supermassive black holes found at the cores of galaxies. However, they found something very surprising - two smaller black holes, which is unusual because most theorists say there should be at most one black hole in the cluster.  |
| New fanged dwarf dinosaur from Africa ate plants Posted: 03 Oct 2012 06:41 AM PDT With tiny one-inch long jaws, a new species of plant-eater has come to light in rocks in South Africa dating to the early dinosaur era, some 200 million years ago.  |
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