Kategorie:
Wissen und Wissenschaft
Kanal:
Nature
Datum:
20. Mai 2020, 17:00
Stufe:
B1-B2 (Mittelstufe)
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This week, crafting an artificial eye with the benefits of a human's, and understanding how disk-galaxies formed by peering back in time.
In this episode:
00:45 Biomimetic eye
Researchers fabricate an artificial eye complete with a human-like retina. Research Article: Gu et al.; News and Views: Artificial eye boosted by hemispherical retina
09:27 Research Highlights
Dazzling elephant seals to avoid predation, and helping blind people ‘see’ through brain stimulation. Research Highlight: Mighty seals humbled by prey that flickers and flashes; Research Highlight: Blind people ‘read’ letters traced on their brains with electricity
11:36 Early disk-galaxy
There’s an open question about how disk-galaxies form, but now new observations are pointing to an answer, from the very early Universe. Research Article: Neeleman et al.; News and Views: Galaxy disk observed to have formed shortly after the Big Bang
17:47 Pick of the Briefing
We pick our highlights from the Nature Briefing, including a HIV ‘vaccine’, and incredibly hardy bacteria. Science: Long-acting injectable drug prevents HIV infections; Quanta Magazine: Inside Deep Undersea Rocks, Life Thrives Without the Sun
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