Obelisk (biology)

Imagine a super-duper tiny speck, way smaller than a ladybug! That's kind of like an obelisk. It's not a living thing like a plant or an animal, but it's made of something called RNA, which is like a tiny instruction manual for life. Obelisks are like little loops of this RNA, all curled up. They don't have any protective shell, making them very simple and a bit mysterious!

Scientists are like detectives, always looking for new clues! In 2024, a detective named Ivan Zheludev and his team were looking through tons of information about living things. They used computers to find these hidden obelisks. It was like finding a secret code in a giant book! They realized these RNA loops were completely new and didn't seem to be related to anything they knew before.

Obelisks are super interesting because they are so different! Scientists don't know if they came from other living things, viruses, or something else entirely. They are like a puzzle piece from a different box! Because they are so unique, scientists are studying them to understand more about how life on Earth started and how it works. They might hold secrets to life's beginnings!

Right now, scientists are still trying to figure out exactly what obelisks do. They are like tiny, quiet passengers inside other living things. They are made of RNA, which usually carries messages. But obelisks don't seem to be carrying messages for the things they are found in. They are a big mystery, and scientists are excited to learn their secrets!