How Webb’s NIRSpec instrument opened up 200 windows to our origins

Science & Exploration 11/18/2022 34 views 0 likes Astronomy is driven by big questions, and they don’t come much bigger than wondering how the first stars and galaxies began to form – eventually giving rise to our own existence. The answers lie buried in the far distant Universe, so distant that the light traveled billions … Read more

Artificial cell membrane channels composed of DNA can be opened and locked with a key

Graphic shows the bilayer structure of a living cell membrane, composed of phospholipid. A phospholipid consists of a hydrophilic or water-loving head and a hydrophobic or water-fearing tail. The hydrophobic tails are sandwiched between two layers of hydrophilic heads. At the center, a channel is shown, permitting the transport of biomolecules. The new study describes … Read more