How did life begin on Earth? New experiments support 'RNA world' hypothesis

The new findings strengthen the "RNA world" hypothesis that describes how the first life on Earth could have used RNA instead ...
Labroots

New Types of RNA Viruses are Discovered in Strange Places

Viruses are entities that have to infect other cells in order to replicate. They may have genomes that are made of DNA or RNA. We are still discovering new types of RNA viruses, as shown in two new ...
The Scientist

What Is RNAi? Gene Silencing Explained for Researchers and Innovators

The natural RNAi mechanism can be directed by either short interfering RNA (siRNA) or microRNA (miRNA). 1 There are four key steps in the RNAi pathway. When miRNA acts as the guide for RNAi, only a ...
The Times of Israel on MSN

Israeli scientists say tiny organisms can revamp their own RNA to survive extreme heat

Using a novel method, Weizmann Institute of Science researchers map 16 types of simultaneous changes in dozens of samples; ...