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
Our findings imply that higher long-term dietary intakes of flavonoids are associated with lower risks of ADRD and AD in US adults.
Be Well delves into one of life’s greatest pleasures; a day spent rejuvenating the body and nourishing the spirit. Humans have practiced self-care for centuries—in the sweat lodges of the American Southwest, Roman baths, the hammams of the Ottoman Empire, Japanese onsens, and Finnish saunas. Today, a new interest in self-care is redefining how we accomplish wellness, and there have never been more options.
Airlines have strained to survive after travel dried up because of the coronavirus pandemic. WSJ’s Alison Sider explains how airlines are adjusting, and the CEO of Southwest Airlines paints a picture of what the future of flying might look like.
Even limited hearing loss might be associated with cognitive decline. If true, early intervention with hearing aids might help people have better cognitive performance.
The result is a home with four gabled boxes connected by glass hallways. The two double-story bookend boxes are the private living spaces for each client and the two center boxes house the shared common spaces with one box for the kitchen and dining area and the other for the shared living room.

Titian (active 1506–1576) produced a masterful group of paintings for Philip II of Spain, celebrating the loves of gods, goddesses, and mortals. Depicting scenes from Ovid’s narrative poem Metamorphoses, Titian named them “poesie” and considered the works as visual equivalents of poetry.