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Jellies in space, cat vision, sun polarity, printable livers, and algae lamps March 6, 2014

Posted by Erin Ptah in News Roundup.
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…or, science continues to be awesome.

“A warning for future space colonizers: Babies born in space might not ever figure out how to deal with gravity. Jellyfish babies, at least, have to deal with massive vertigo on Earth after spending their first few days in space.

Visualization of how cats see the world versus how humans do! Much better night vision, of course; but as it turns out, way worse distance vision.

The sun decides to reverse the polarity of the neutron flow. …okay, not exactly, but it is literally reversing its own polarity.

This is either the real-world precursor to hard-light holograms, or lightsabers. Possibly both. Exciting either way!

The mini-livers that Organovo made are just half a millimetre deep and 4 millimetres across but can perform most functions of the real thing. To create them, a printer builds up about 20 layers of hepatocytes and stellate cells – two major types of liver cell. Crucially, it also adds cells from the lining of blood vessels. These form a delicate mesh of channels that supply the liver cells with nutrients and oxygen, allowing the tissue to live for five days or longer.”

“It’s still in the ‘so crazy it just might work’ stage, but these microalgae-powered lamps, invented by French biochemist Pierre Calleja, could absorb a ton of carbon from the air every year. That’s as much as 150 to 200 trees.”

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