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Much like white light, spacetime is also composed of a certain rainbow

When white light is passed through a prism, the rainbow on the other side reveals a rich palette of colors. Theorists have shown that in models of the Universe using any of the quantum theories of gravity there must also be a ‘rainbow’ of sorts, composed of different versions of spacetime. The mechanism predicts that instead of a single, common spacetime, particles of different energies essentially sense slightly modified versions thereof.

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Regrowing functional joints in frogs

In a first, researchers have regenerated functional joints in frogs by activating a newly-found ‘reintegration’ mechanism. Further understanding of this process may help transplanted tissues integrate with the original organs and limbs after surgical removal or amputation.

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Regrowing functional joints in frogs

In a first, researchers have regenerated functional joints in frogs by activating a newly-found ‘reintegration’ mechanism. Further understanding of this process may help transplanted tissues integrate with the original organs and limbs after surgical removal or amputation.

Earth

Why does eating fish during pregnancy aid baby brain development?

Researchers at Tohoku University's School of Medicine have found an explanation for the correlation between eating fish during pregnancy, and the health of the baby's brain.Dietary lipid contains fatty acids such as omega-6 and omega-3, which are essential nutrients for many animals and humans. The research group, led by Professor Noriko Osumi, found that a balanced intake of lipids by pregnant women is necessary for the normal brain formation of the unborn child.

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California, Feds Reject Volkswagen Recall "Fix"

Last week, the California Air Resources Board (CARB) said “no deal” to Volkswagen’s proposal to buy back some of the vehicles that were outfitted with cheat devices. According to CARB, the plan, which would see the recall of only a fraction of the 600,000 U.S. cars affected in the latest VW scandal, does “not adequately address overall impacts on vehicle performance, emissions and safety,” and would not fix the cars’ pollution problems quickly enough.

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Monkeys’ reaction to those who have more? Spite

Monkeys, like humans, will take the time and effort to punish others who get more than their fair share, according to a new study. In fact, they can act downright spiteful. Capuchin monkeys will yank on a rope to collapse a table that is holding a partner monkey’s food. While chimpanzees collapse their partner’s table only after direct personal affronts like theft, capuchins punish more often, even in cases where the other monkey merely had more food, according to a new study.

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Brazilian torrent frogs communicate using sophisticated audio, visual signals

Brazilian torrent frogs may use sophisticated audio and visual signals to communicate, including inflating vocal sacs, squealing, and arm waving, according to a new study. The authors suggest their results indicate that Brazilian torrent frogs have one of the most diverse repertoires of visual and audio displays known to frogs, indicating that communication in torrent frog species is likely more sophisticated than previously thought.