First Ancient Genomes from the Green Sahara Deciphered Apr. 2, 2025 — An international team has sequenced the first ancient genomes from the so-called Green Sahara, a period when the largest ...

and is one of the only walkie-talkie apps to have end-to-end encryption. Unfortunately, there’s no option to broadcast to channels like Zello, but you can still create group chats if you need to ...

Jan. 30, 2025 — Researchers developed a new optical system that uses holograms to encode information, creating a level of encryption that traditional methods cannot ...

Ancient Greece is traditionally divided into six ages, the Bronze Age, Iron Age, Archaic Age, Classical Age and Hellenistic Age. Credit: Adam Polselli. CC BY 2.0/flickr Ancient Greece has ...