Jellyfish

Even without a central brain, jellyfish can learn from past experiences like humans, mice, and flies, scientists report for the first time on September 22 in the journal Current Biology. They trained Caribbean box jellyfish (Tripedalia…

The jellyfish robot developed by the researchers. Credit: Muralidharan et al In recent decades, roboticists have been developing…

Jack Wallen walks you through the process of installing fail2ban on Ubuntu Server 22.04 to prevent malicious login attempts. Image: PAOLO/Adobe Stock Fail2ban is one of the first things you should install on your new…

There are probably only half a dozen people on the planet doing marathon swimming at the level of world-record holder Chloë McCardel. This is not without reason.The Melbourne-born, Sydney-based swimmer battles jellyfish, sharks,…

We owe much of our understanding of how memory works in the brain to an unassuming sea slug called Aplysia californicus. It’s about a foot long, reddish brown, and has been favored by scientists since the 1960s because its neurons are big…