Link About It: This Week’s Picks

Mapping the universe, making tiles from discarded eggshells, learning from squids and more

“DESI” Will Attempt to Create The Most Detailed 3D Map of the Universe As part of an ambitious new survey of the cosmos, the Dark Energy Spectroscopic Instrument (DESI) will analyze light collected by the ultra-powerful Mayall telescope at Kitt Peak National Observatory. “DESI will record not only a galaxy’s light but also its spectrum,” according to Smithsonian Magazine, “by measuring how much light a given …

The Vital Role of Longfin Squids’ Giant Nerve Fibers to Neuroscience

In 2020, a group of scientists at Woods Hole Marine Biological Laboratory used the gene-editing tool CRISPR-Cas9 to disable a gene in the Doryteuthis squid (aka the longfin squid). This milestone comes after years of neuroscience developments derived from this particular underwater creature and its dual nerve fibers, called axons. Research on these axons has provided insight into everything from simple nerve signaling to the …

Testing for 3D Vision in Cuttlefish

Though octopuses and squids are not capable of seeing in 3D, cuttlefish do boast depth-perception, recent research studies at the University of Minnesota confirmed. When donning 3D glasses, the cuttlefish could not only detect a shrimp (which comprised of projected images in two different colors and at two different distances), but also actively position itself for an attack. After identifying the shrimp, the fish backed …