这些有力的证据表明火在 40 万年前就曾被有意识地制造出来，这比先前人们认为的时间早了 35 万年。 A replica skull of the people living in Britain at the time shows that they were not of our species but a different kind of human.

A new study finds that some gifted dogs can learn the names of new toys by eavesdropping. It's a skill that has only been ...

Abstract: Every attempt to access to the Internet through a Web browser, email sent, VPN connection, VoIP call, instant message or other use of telecommunications systems involves cryptographic ...

Abstract: With the emergence of the Node.js ecosystem, JavaScript has become a widely used programming language for implementing server-side web applications. In this article, we present the first ...