ScienceDaily: Strange Science News |
- Doubling down on DNA
- Possible clouds on Pluto, next target is reddish
- Azure-winged magpies show human-like generosity
| Posted: 19 Oct 2016 10:21 AM PDT Millions of years ago, one species of frog diverged into two species. Millions of years later, the two frogs became one again, but with a few extra chromosomes due to whole genome duplication. Such is the curious case of the African clawed frog, Xenopus laevis, a frog whose genome contains nearly double the number of chromosomes as the related Western clawed frog, Xenopus tropicalis. |
| Possible clouds on Pluto, next target is reddish Posted: 19 Oct 2016 07:17 AM PDT Stern said that Pluto's complex, layered atmosphere is hazy and appears to be mostly free of clouds, but the team has spied a handful of potential clouds in images taken with New Horizons' cameras. "If there are clouds, it would mean the weather on Pluto is even more complex than we imagined," Stern said. |
| Azure-winged magpies show human-like generosity Posted: 18 Oct 2016 04:31 PM PDT Azure-winged magpies, an Asian bird species, take any opportunity to provide food to their group members, even without receiving any reward themselves. A team of cognitive biologists showed this type of prosocial behavior experimentally in a bird species for the first time. There are very few other animals that show such human-like generosity. |
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