Scientists study how the brain of a fish filters out signals

The space industry treats the sky as a place to dump what it no longer wants. We must develop a new model of accountability On 5 August, a piece of a derelict SpaceX rocket traveling at 5,400 miles an hour met with the moon and punched a fresh hole into it near Einstein Crater. Astronomers were thrilled. The European Southern Observatory caught sodium and lithium flaring in the debris plume and called it a bonus. The media called it a light show. Nobody was physically hurt, so nobody is responsible, and within a week the story was gone. I have spent 20 years tracking the junk humanity leaves behind in space for a living, and I want to tell you plainly what that crater actually is: a receipt. It’s what you get when an entire industry treats the sky, and now the moon, as a place to dump what it no longer wants, and calls the dumping “normal operations” or “space exploration”...

Rising sea temperatures mean reefs don’t have enough time to bounce back between intense heat waves, a new report warns.

It’s ‘plausible’, though more likely the Humberside resident was one of many immigrants to Viking-controlled Danelaw One of the most consequential showdowns in the history of the British Isles, the Battle of Hastings is seen as the foundational event of the Anglo-Saxons’ conquest by their Norman enemy across the Channel. But researchers who have put flesh on the bones of one man who lived through the turmoil of the era are learning more about the fighters who may have belonged to neither side...